You've already seen the most stunning nontraditional celebrity engagement rings , and now we're taking a look at all the gorgeous sparklers to grace famous hands. From Lady Gaga's heart-shaped diamond  to Nikki Reed's floral-inspired bling , there's something for everyone. Sure, some of the relationships have come and gone, but ring photos are here to stay.
Iggy Azalea received a massive $500,000 sparkler, which features an 8.15-carat Fancy Intense yellow center stone with 2.28 carats of white diamonds set onto 18-karat white gold, from NBA player Nick Young in June 2015.
Taylor Kinney proposed to the singer  on Valentine's Day 2015 with a heart-shaped stunner.
Source: Getty/Dimitrios Kambouris  and Instagram user ladygaga 
George Clooney  gave British lawyer Amal Alamuddin a 7-carat ethically-sourced diamond ring  when they got engaged in April 2014.
Ciara showed off her 15-carat diamond engagement ring after her boyfriend, rapper Future, proposed in October 2013.
Mary-Kate Olsen  got engaged to her boyfriend, Olivier Sarkozy  after nearly two years of dating at the end of February, and she showed off her huge diamond sparkler  soon after — once in New York, and then again at Paris Fashion Week .
Source: AKM-GSI  and Getty 
Kanye West  spared no expense for girlfriend Kim Kardashian  when he proposed with a gorgeous 15-carat diamond ring that he designed with jeweler Lorraine Schwartz in October 2013.
Amber Heard got her stunning rock from Johnny Depp  in January 2014.
Mila Kunis  got engaged to longtime boyfriend  and former That '70s Show costar, Ashton Kutcher , in late February 2014, and we got a closer look at her diamond sparkler  when the couple went to a Lakers game in March.
Leighton Meester  secretly married Adam Brody  in February 2014 but didn't debut her rings until the Tribeca Film Festival premiere of their movie Life Partners in April.
After Girls star Allison Williams got engaged to her boyfriend of three years , College Humor founder Ricky Van Veen, she debuted her ring at Vanity Fair's 2014 Oscars afterparty.
Lauren Conrad  announced her engagement to William Tell in October 2013 when she shared a photo of her ring on Instagram.
Ginnifer Goodwin  and her Once Upon a Time costar fiancé got engaged in October 2013, then announced they are expecting a baby the next month.
Naya Rivera received a big sparkler from Big Sean when the two got engaged in October 2013.
Brian Austin Green  popped the question to Megan Fox , for the second time, in June 2010 with a platinum three-carat diamond ring featuring a diamond halo.
Scarlett Johansson  became engaged to her beau Romain Dauriac in August 2013 after he popped the question with a vintage Art Deco ring.
Nicole Richie  and Joel Madden  kept their engagement a secret before going public with the news in February 2010.
Olivia Palermo and her fiancé, Johannes Huebl, announced their engagement  on his Instagram page on New Year's Day 2014, though he popped the question on New Year's Eve.
Miley Cyrus  got engaged to Liam Hemsworth in June. He proposed with a 3.5-carat diamond ring from Neil Lane.
Avril Lavigne 's fiancé, Chad Kroeger, proposed with a 14-carat engagement ring  in August 2012.
Amy Adams  was surprised when Darren Le Gallo proposed with a one-carat brilliant-cut diamond designed by Jean Dousset in July 2008.
Kate Hudson  first shared the news of her engagement to boyfriend Matthew Bellamy during an April 2011 appearance on the Today show. She showed off the reported emerald-cut diamond with tapered baguettes on the side, worth a reported $200,000, saying, "I was waiting for someone to notice."
Mike Fisher popped the question to Carrie Underwood  in December 2009 with a custom Johnathon Arndt design.
Gabrielle Union  announced her engagement to Dwyane Wade on Instagram, posting a photo of the square-cut diamond ring on her hand. The proposal came just a few days before Christmas in December 2013.
Robin Wright debuted her gold engagement ring at a Diane von Furstenberg  event in LA over Golden Globes weekend in January 2014. Her rep confirmed her engagement to actor Ben Foster, who she reportedly started dating in early 2012.
Hayden Panettiere  got engaged to boxer Wladimir Klitschko in 2013 but didn't confirm her engagement until later.
Kaley Cuoco got a big sparkler when she got engaged to Ryan Sweeting in September 2013.
Reese Witherspoon  announced her engagement to Jim Toth in December 2010. He gave her a gorgeous, four-carat ring.
Alicia Silverstone's ring from Christopher Jarecki formerly belonged to his grandmother. They became engaged in 2004 after eight years of dating.
Lance Bass proposed to his boyfriend, Michael Turchin, during a New Orleans trip in September 2013. Lance commented that he went everywhere to find the perfect ring and finally found it at Saks Fifth Avenue . After Michael accepted the proposal, Lance posted a sweet picture with the caption, "He said YES!! Love this man," on his Instagram account.
Paris Hilton  stepped out with a 24-carat diamond in May 2005 after Paris Latsis proposed with the ring, worth a reported $4.7 million.
Jennifer Garner  met Scott Foley in 1998 on the set of Felicity, and by October 2000 the pair were wed.
Teresa Palmer got engaged to actor Mark Webber in early August 2013, and the couple is also expecting a baby! Teresa debuted her gorgeous engagement ring on Instagram, saying, "Just got my beautiful ring. Ethical diamonds in rose gold band, with a rose quartz crystal. Stone of the heart. Exactly me."
Jennifer Aniston debuted her engagement ring  from Justin Theroux during an October weekend in Santa Fe, after the couple confirmed their engagement in August.
Kristin Cavallari  and Jay Cutler got engaged for the first time in April 2011. He proposed with a 5.2-carat diamond during a romantic Cabo getaway. Jay and Kristin later called off the nuptials but are currently reengaged and expecting their first child later this year.
NBA star Tony Parker proposed to Eva Longoria  in December 2006 with a $150,000 four-carat emerald-cut ring with emerald side stones designed by Jean Dousset.
John Krasinski  picked out a three-carat Edwardian diamond from Neil Lane, set in platinum, when he proposed to Emily in August 2009.
Troian Bellisario from Pretty Little Liars got engaged to her boyfriend of three years , Suits star Patrick J. Adams, in February 2014. She showed off her ring  for the first time at Paris Fashion Week, sitting front row at H&M .
After three years of dating, Josh Duhamel  proposed to girlfriend Fergie  in December 2007 with a classic round-brilliant cut diamond in a four-prong setting.
Britney Spears 's first engagement ring came from Kevin Federline  in 2004. It was a five-carat ring with a doubled band.
Most brides choose a classic diamond, but Carmen Electra  was beyond thrilled when boyfriend Rob Patterson proposed with a black diamond in April 2008.
Olivia Wilde and Jason Sudeikis got engaged  over the holidays in late 2012. Olivia showed off her antique ring while filming in Rome in January.
Blake Lively  showed off her oval diamond and matching rose gold wedding  band the day after her surprise wedding to Ryan Reynolds  in South Carolina on Sept. 9, 2012.
Source: Alex Gutierrez
Demi Moore  and Ashton Kutcher  continually denied engagement rumors until they surprised friends and family with a secret wedding  ceremony in September 2005. The five-carat emerald-cut diamond is rumored to be worth an estimated $250,000.
Molly Sims accepted a custom-designed Lorraine Schwartz cushion-cut diamond from Scott Stuber in May 2011.
Keira Knightley  got a brilliant-cut solitaire on a platinum band from her boyfriend of one year, James Righton, when he popped the question in May.
Jamie Chung got engaged to her boyfriend, Bryan Greenberg , over the holidays. He popped the question in her hometown of San Francisco, and she debuted the ring in LA.
Jenny McCarthy  got engaged to Donnie Wahlberg in 2014, showing off her stunning engagement ring on The View.
LeAnn Rimes flashed her ring at LA's American Music Awards in January 2002 with her then-fiancé, Dean Sheremet.
Zoe Saldana  accepted a 1.5-carat ring from then-boyfriend Keith Britton in June 2010. The couple never made it down the aisle and split up in 2011.
Katherine Heigl  wears a three-carat pear-shaped diamond that was designed by Ryan Ryan and given to her by Josh Kelley in June 2006. It incorporates a stone from her mother's engagement ring.
Elle Macpherson debuted an emerald-cut engagement ring from her boyfriend, Miami-based real estate developer Jeffrey Soffer, at a charity event in London just weeks after news of their engagement came out in March.
Joanna Newsom and Andy Samberg  confirmed their plans to wed in February.
Prince William presented Kate Middleton with the same ring worn by his mother, Princess Diana. Kate Middleton wore the 18-carat blue sapphire set in white gold when the pair announced the news of their engagement in November 2010.
Eisha Cuthbert and hockey player Dion Phaneuf announced their engagement in September 2012. The couple started dating in 2008.
Natalie Portman  got engaged to her Black Swan costar Benjamin Millepied in December 2010 when he proposed with a round diamond solitaire surrounded by a circle of pavé diamonds.
It's reported Russell Brand  initially proposed to Katy Perry  with a five-carat pink diamond ring by Cartier , but she swapped it out for another Cartier bauble. Katy chose a rare three-carat Golconda diamond from India.
Faith Hill 's husband, Tim McGraw , presented her with a gorgeous ring when he proposed in 1996, while they were touring together.
Chris Martin  proposed to Gwyneth Paltrow  in early 2003 with an Asscher-cut diamond with a double band. The pair later walked down the aisle on Dec. 5, 2003.
Mena Suvari received a major engagement ring from now-ex-husband Simone Sestito that reportedly weighed in at 8.6 carats.
Perrie Edwards flashed her engagement ring from One Direction's Zayn Malik at the world premiere of One Direction: This Is Us in August 2013.
Catherine Zeta-Jones  and Michael Douglas became engaged in December 1999.
It was nothing but the best for Christina Aguilera , who accepted a Stephen Webster-designed five-carat diamond and platinum ring in February 2005 from her former husband, Jordan Bratman.
Janet Jackson  and Jermaine Dupri never officially confirmed their engagement news, but she was spotted wearing a 20-carat diamond on her left hand in the Spring of 2004.
America Ferrera  accepted a four-carat round-cut diamond in a platinum setting worth an estimated $70,000 from Ryan Piers Williams in June 2010.
Britney Spears  got engaged to Jason Trawick shortly after her 30th birthday in December 2011. He gave her a round diamond in a platinum setting from Neil Lane.
Buffy the Vampire Slayer costars Alyson Hannigan and Alexis Denisof met on set in 1999, and it wasn't long before they got engaged in December 2002.
Dean McDermott gave Tori Spelling  a diamond and sapphire engagement ring following a proposal on Christmas Eve of 2005.
Jessica Biel  accepted Justin Timberlake 's marriage proposal over the holidays in 2011. She also accepted a large, square-cut diamond reportedly worth $130,000.
Minnie Driver  flashed a sapphire and diamond engagement ring when congratulating fiancé Josh Brolin  at the Long Beach Toyota Pro/Celebrity Race in April 2001.
Mad Men's Vincent Kartheiser gave Alexis Bledel a round-cut diamond bauble when he proposed earlier this year.
Elizabeth Hurley  said yes to Shane Warne's October 2011 proposal and the sapphire and diamond ring he gave her, worth an estimated $100,000.
Jennifer Love Hewitt
Jennifer Love Hewitt  revealed she was pregnant with her first child and then a day later announced she was engaged to her The Client List costar Brian Hallisay in June.
Football star Jason Sehorn surprised Angie Harmon by proposing during her interview on The Tonight Show, and the added shock came from the gorgeous round stone on her band.
Ashley Tisdale  put her engagement ring on display in August when she grabbed lunch with Christopher French in West Hollywood.
Singer Kellie Pickler hit the red carpet at the Country Music Awards in November 2010 with a sparkly new accessory. Songwriter Kyle Jacobs proposed to her during a romantic stroll on the beach and presented her with a massive solitaire.
Cash Warren got down on bended knee in late 2007 and asked for Jessica Alba 's hand with an Asscher-cut diamond.
Seal proposed to Heidi Klum  with an 8.5-carat diamond in December 2004 on a glacier in Whistler, BC.
Brad Pitt  codesigned the engagement ring he gave Jennifer Aniston  in 1999. Brad reportedly shelled out $500,000 for the diamond design that symbolized eternity.
Nicolette Sheridan got a $150K rock from former fiancé Michael Bolton in March 2006.
Jaime King accepted a pavé-set solitaire from Kyle Newman in April 2007. The band was created by a jeweler in her native Omaha.
Howard Stern proposed to Beth Ostrosky on Valentine's Day in 2007.
Jay-Z knows how to impress a lady. The rapper presented Beyoncé Knowles with an 18-carat flawless diamond set in platinum and designed by Lorraine Schwartz, reportedly worth $5 million.
Zooey Deschanel  accepted a Neil Lane design from Death Cab For Cutie frontman Ben Gibbard in December 2008.
Rachel Bilson  and Hayden Christensen  quietly got engaged over the 2008 holidays. Hayden proposed with a two-carat solitaire worth an estimated $30,000.
Mike Comrie shocked Hilary Duff  with a platinum 14-carat radiant-cut ring while on a Hawaiian vacation in February 2010.
Maria Sharapova found her perfect match in basketball star Sasha Vujacic. He reportedly popped the question in Manhattan Beach, and she accepted his $250,000 token of affection.
Christina Applegate  and her now ex-husband, Jonathan Schaech, became engaged before their October 2001 wedding .
Jessica Simpson 's engagement ring from Eric Johnson is a ruby-and-diamond Neil Lane ring, reportedly worth $100,000. The couple decided to wed in late 2010.
Andy Roddick shopped at Tiffany and Co. before proposing to Brooklyn Decker in March 2008.
Who could forget the moment Spencer Pratt  proposed to Heidi Montag  during their televised beach date in 2007? He asked for her hand with a lavender amethyst that he picked out at a mall with the help of Brody Jenner and worth an estimated $3,000.
Shenae Grimes debuted her engagement ring from her male model fiancé Josh Beech in December 2012.
Jennifer Lopez  proudly showed off the pink stone given to her by Ben Affleck  at the February 2003 LA premiere of his film Daredevil.
Len Wiseman  proposed to Kate Beckinsale  in June 2003 with a horizontally set emerald-cut diamond designed by Neil Lane.
Anne Hathaway  stepped out with a beautiful six-carat ring worth an estimated $150,000 following the November 2011 news of her engagement to long-time boyfriend Adam Shulman.
Jenna Dewan and Channing Tatum  met while filming Step Up in 2006. The pair had wild chemistry on screen, and in September 2008 he proposed to Jenna with a brilliant-cut Neil Lane design while on vacation in Hawaii with their friends.
Sarah Michelle Gellar
Sarah Michelle Gellar  happily displayed her shiny new engagement ring after Freddie Prinze Jr. proposed in April 2001.
Mary J. Blige
Mary J. Blige showed off her ring during a pre-Super Bowl bash in January 2002. Mary married fiancé Kendu Isaacs in December 2003.
Tom Brady  proposed to Gisele Bundchen  in January 2009 with a brilliant solitaire four-carat diamond.
After six years of dating and two children together, Matthew McConaughey  finally popped the question to longtime girlfriend Camila Alves in December 2011.
Jamie-Lynn Sigler shared her huge ring when she announced her engagement to Cutter Dykstra over Instagram.
My Name is Earl star Jaime Pressly got engaged to her then-boyfriend, DJ Eric Cubiche, in October 2006.
Toni Braxton showed off her engagement ring from fiancé Keri Lewis after being nominated for a Grammy Award in January 2001.
Halle Berry  accepted an emerald and gold engagement ring from Olivier Martinez designed in Paris by French designer Robert Mazlo. Their engagement was confirmed in March 2012.
Nikki Cox and Jay Mohr announced their engagement news in February 2006, and she flashed a large solitaire on her left hand later that month.
Kate Winslet  showed off her gold wedding ring  in London after tying the knot to Ned Rocknroll in December 2012.
Tom Cruise  proposed to Katie Holmes  during a visit to Paris's Eiffel Tower in June 2005. He gave Katie a five-carat oval-cut solitaire set in rose gold worth a reported $250,000.
Ashlee Simpson  and Pete Wentz  announced their engagement via his blog, and a few days later she stepped out wearing a four-carat Asscher cut with pavé setting worth an estimated $100,000.
Kris Humphries codesigned the 20.5-carat Lorraine Schwartz ring he proposed with in May 2011. Kim Kardashian  accepted the bling and proudly modeled the emerald-cut center stone flanked by a pair of two-carat trapezoids throughout their engagement and 72-day marriage.
David Otunga proposed to Jennifer Hudson  in September 2008 with a Neil Lane engagement ring featuring a five-carat center stone.
Julia Roberts  debuted her engagement ring in Spring 2002 before walking down the aisle with Danny Moder on July 4.
Khloe Kardashian married Lamar Odom in September 2009 after only one month of dating.
30 Rock actress Jane Krakowski got engaged in December 2010 to Robert Godley. She showed off her beautiful new diamond accessory in early 2011.
Drew Barrymore  and fiancé Will Kopelman announced their engagement news in early January 2012, and shortly thereafter she popped by the Tonight Show and shared her excitement with fans. Will gave Drew a four-carat diamond from jewelers Graff.
Christina Milian confirmed her engagement to music producer The Dream in July 2009.
Scarlett Johansson  sported a large three-carat diamond, estimated to be worth $30K, following Ryan Reynolds 's Spring 2008 proposal.
Evan Rachel Wood
Evan Rachel Wood's been wearing a sparkly ring since January 2012, from reported fiancé Jamie Bell.
Avril Lavigne  was presented with a four-carat solitaire in 2005 from her now ex-husband, Deryck Whibley.
Mariah Carey  and Nick Cannon fooled everyone when they eloped in May 2008. It was reported the pair had gotten engaged, but Nick and Mariah had actually tied the knot during a secret beach ceremony.
Jessica Simpson 's engagement ring from Nick Lachey , which he gave her in 2001, was a four-carat pear-shaped diamond with two side stones.
Jude Law  gave Sienna Miller  a massive, vintage engagement ring in 2005, and she put it back on when they got back together in 2010.
LeAnn Rimes and Eddie Cibrian became engaged in Fall 2010, and she showed off a sparkly new diamond that November.
Pink received her engagement ring after husband Carey Hart popped the question in June 2005 in Mammoth Lakes, CA.
Miranda Kerr  and Orlando Bloom  quietly confirmed the news of their engagement in June 2010, and by July, the pair had secretly wed. Her ring is an oval diamond, worth a reported $65,000.
Kate Bosworth  shared her happy news by tweeting a picture of her engagement ring from boyfriend Michael Polish .
Kate Moss  accepted a vintage-style oval diamond set in a double-shank band in February 2011 from her now-husband, Jamie Hince. The ring design was inspired by that worn by F. Scott Fitzgerald's wife, Zelda.
Christina Ricci  confirmed her engagement to James Heerdegen in January 2013.
Kimberly Stewart's 2005 engagement to Laguna Beach's Talan Torriero was marked with a five-carat diamond Neil Lane ring.
Ryan Phillippe  gave Reese a four-carat Asscher-cut-diamond platinum ring when he proposed in 1998.
Angelina Jolie  and Brad Pitt  made their engagement public in April 2012. He, along with Robert Procop, designed an elegant ring for her that included diamonds of "the highest gem quality."
Bridesmaids star Ellie Kemper revealed the news of her real-life wedding  plans during a December 2011 appearance on Conan.
Jennifer Garner  and Ben Affleck  never officially confirmed news of their engagement, but he reportedly popped the question in April 2004, and a few months later they tied the knot during a private ceremony. Her engagement ring is a 4.5-carat rock from Harry Winston.
Marc Anthony  gave Jennifer Lopez  a $4 million, 8.5-carat rock when he proposed marriage in 2004.
Prince Charles proposed to Camila Parker-Bowles in February 2005 with a large diamond and platinum heirloom belonging to the royal family.