Let's look back at some of the best celebrity bikini moments of all time! Now that the warmer months are finally here, we'll see more and more celebrities donning two-pieces and hitting the beach. Keep scrolling to see the top shots and, if you can't get enough of stars in swimsuits, be sure to check out how the supermodels rock their swimsuits in these hot Sports Illustrated swimsuit snaps .
A smiley Olivia Wilde  enjoyed a fun day at the beach in Hawaii back in December 2015.
Kourtney Kardashian showed off her fit physique while vacationing in Miami in May 2016.
Jessica Alba  enjoyed a fun day of paddleboarding on the island of Hawaii in March 2016.
Hilary Duff  was all smiles while soaking up the sun in Hawaii in February 2016.
Alicia Vikander basked in the sun during a vacation to Italy back in July 2015.
Kristen Wiig escaped to Hawaii for a romantic vacation with her boyfriend in May 2016.
Lea Michele  flaunted her curves while hitting the beach in Hawaii in June 2016.
Christina Milian showed off her famous curves while hanging out a hotel pool back in October 2015.
In December 2015, Katie Cassidy gave photographers a peek at her killer abs in a sexy bikini.
In March 2016, Jessica Alba  gave us yet another look at her amazing abs while wading in the ocean in Hawaii.
In January 2016, Olivia Palermo stunned in a pink bikini on the beach in St. Barts.
Bella Hadid donned a sexy white one-piece while vacationing in St. Barts in April 2016.
In May 2015, Bella Thorne showed off her bikini body on the beach in Malibu, CA.
In 2015, Olivia Wilde  soaked up the sun on the beach in Hawaii.
Rita Ora sported a tiny polka-dot bikini in Miami back in December 2015.
Kourtney Kardashian soaked up the sun during a family vacation in St. Barts back in August 2015.
In 2015, Lily Aldridge showed off her fit figure during a photo shoot in St. Barts.
Kelly Rohrbach was spotted filming scenes for Baywatch in a sexy red one-piece back in April 2016.
In May 2016, Katie Cassidy showed off her killer abs while wading in the water in Miami.
In April 2106, Bella Thorne flaunted her bangin' bikini body on the beach in Miami.
Jamie King rocked a supercute cherry-print one-piece in Miami back in December 2015.
Zoë Kravitz put her bikini body on display while hitting the beach in Miami in July 2015.
Melissa Joan Hart rang in her 40th birthday in Punta Cana, Dominican Republic.
In May 2014, Bella Thorne wore a pink bikini during a trip to the beach in Miami.
Stephanie Seymour showed off her bikini body in St. Barts in December 2013.
In December 2013, Courteney Cox  wore a purple swimsuit in Cabo.
Nicole Richie  laid out with a few friends in St. Barts in April 2013.
Eva Longoria  worked her bright orange bikini in Puerto Rico in April 2013.
Nina Dobrev  rocked a colorful bikini in Miami in April 2013.
Lily Aldrige walked on a beach in St. Barts in May 2013.
Olivia Wilde  broke out her bikini in Hawaii while vacationing in May 2013.
LeAnn Rimes hit the water in Hawaii in January 2014 in a white number.
In January 2014, Maria Menounos donned a striped swimsuit in Cabo.
Candice Swanepoel spent Memorial Day Weekend at a Miami beach in May 2013.
Jessica Alba  and Cash Warren held hands in July 2014 when they took a trip to Mexico.
Rosie Huntington-Whiteley rocked a two-piece in the South of France in June 2013.
Lucy Hale wore a purple bikini top and white cutoff shorts while visiting the Bongo Beach Shack in Miami in March 2012.
Avril Lavigne  ran on the beach in a Union Jack bikini in Mexico in July 2012.
Back in January 2013, Mariah Carey  showed off her bikini body on the beach in Australia.
Anne V showed off her bikini body in Miami in February 2014.
In February 2013, Candice Swanepoel modeled a bikini against a hammock in St. Barts.
Selena Gomez  and then-boyfriend Justin Bieber  showed off their beach bodies during a May 2011 trip to Hawaii.
Stephanie Seymour splashed around St. Barts in December 2010.
Gisele Bündchen wore a string bikini during a trip to Rio in March 2006.
In April 2012, Gwen Stefani 's six-pack abs were on display in a black bikini during a trip to Mexico.
Vanessa Paradis wore a simple strapless bikini while taking a dip in Corsica, France, in August 2012.
Miranda Kerr  modeled a white bikini for a January 2012 photo shoot in Sydney.
LeAnn Rimes slipped on her bikini in December 2010 in Mexico.
Vanessa Hudgens  donned a bikini when she filmed a scene for Spring Breakers in March 2012.
Helen Hunt  went with a sporty suit for a dip in Malibu in January 2011.
Miley Cyrus  hit the pool in a baby-blue bikini while in Miami in June 2012.
Rihanna  partied on a boat in Saint-Tropez in a patterned bikini in July 2012.
A pregnant Uma Thurman  sported a black two-piece bikini during a trip to St. Barts back in March 2012.
In April 2012, Chloë Sevigny  heated up South Beach , Miami, in a black-and-white bikini.
Elsa Pataky showed off her hot baby body while in a bikini vacationing off the coast of St. Barts in January 2012.
Ashley Tisdale  hit the beach in Malibu to celebrate her birthday in July 2012, wearing a yellow fringed bikini and denim shorts.
Allison Williams wore a brown bikini during a February 2013 trip to Miami.
Kyra Sedgwick vacationed in Hawaii, on NYE 2011 with her husband, Kevin Bacon , and kids.
Jessica Alba  soaked up the sun in a teeny-tiny bikini during a family vacation to Cabo in January 2013.
Emily VanCamp cooled off in the pool during a trip to Monaco in June 2012.
Brooklyn Decker relaxed poolside while promoting Battleship in Sydney in April 2012.
In July 2012, Katy Perry  looked great in her printed bikini while spending time with friends in Miami.
In February 2013, Pink showed off her bikini body in Miami.
In March 2014, Amy Adams  wore a two-piece during a trip to Las Vegas.
Alessandra Ambrosio splashed around in a bikini in St. Barts in January 2012.
Bethenny Frankel put on a pink suit in Miami in February 2011.
Rosie Huntington-Whiteley hit the hotel pool in Miami during a trip with boyfriend Jason Statham back in January 2012.
Erin Heatherton spent time in the water while relaxing September 2012 visit to Miami.
In May 2012, AnnaLynne McCord  showed off her bikini body on the beach in LA.
Kate Hudson  flaunted her bikini body poolside in Hawaii in September 2006.
Michelle Rodriguez put her fit frame on display in August 2014 when she partied on a yacht in Sardinia.
Naya Rivera, a star from the hit show Glee, was at an LA beach in her bikini in June 2013.
In March 2012, Taylor Swift  showed her stripes in a girlie two-piece in Perth, Australia.
Kate Moss  took a dip in St. Barts in December 2012 and showed off her model physique in a shiny bikini.
Paris Hilton  headed to the beach in a leopard bikini while vacationing in Saint-Tropez this July 2012.
In November 2010, Jennifer Aniston  went with a bright purple bikini in Mexico.
Naomi Campbell  spent her Thailand escape in February 2011 on the beach.
Sienna Miller  hit up Mexico in January 2014.
In January 2014, Gwyneth Paltrow  wore a bikini in Hawaii.
Busy Philipps donned a two-piece to film Cougar Town in Hawaii during a March 2011 trip.
In August 2014, Alessandra Ambrosio wore a white two-piece when she hit the beach in Malibu.
In August 2014, Kate Moss  wore a black bikini during a trip to Turkey.
In April 2012, Hayden Panettiere  played tennis in her bikini during a vacation in Hawaii.
Jessica Paré sported a retro printed bikini while filming scenes for Mad Men in Maui in October 2012.
Irina Shayk played in the water during a trip to Miami in March 2012.
Jessica Alba  wore a two-piece in St. Barts in April 2013.
Lea Michele  hit the sand wearing a blue bikini in Mexico during a February 2012 break from shooting Glee.
In July 2012, Elle Macpherson looked amazing in a white string bikini while on vacation in Ibiza.
Naomi Campbell  showed off her legendary shape while spending time in Ibiza in June 2012.
In March 2014, Charlize Theron  wore a bikini in Miami for a photoshoot.
In January 2014, Katie Holmes  wore a bikini in Miami.
Rachel Bilson  wore a bikini in Barbados in April 2013.
Anne Hathaway  and Adam Shulman showed PDA in Hawaii in January 2014.
Doutzen Kroes soaked up the sun in a printed bikini while vacationing in Miami in August 2012.
Adriana Lima struck the perfect pose modeling a sexy bikini for Victoria's Secret during her January 2011 St. Barts catalog shoot.
Selena Gomez  wore a blue bikini while filming Spring Breakers in Florida in August 2012.
Jessica Biel  went snorkeling in Hawaii, during a January 2011 getaway.
Megan Fox  posed in December 2010 wearing a two-piece in Hawaii.
In May 2010, Jennifer Aniston  donned a black bikini during a Mexico trip.
Scarlett Johansson  vacationed in Hawaii in February 2012 with then-boyfriend Nate Naylor.
Miley Cyrus  donned a red two-piece when she hit up a pool in Barcelona in June 2014.
Bar Refaeli  took advantage of her December 2010 Mexican getaway with bikini time.
In January 2014, Demi Moore  wore a black two-piece in Tulum, Mexico.
Jennifer Lawrence  took a bikini break in Hawaii back in November 2012.
Miranda Kerr  hit the beach in Sydney while on a photo shoot in August 2012.
Victoria's Secret model Candice Swanepoel showed off her covetable bikini body while in Miami with friends in July 2012.
Halle Berry  spent her birthday in a blue bikini on the beaches of Malibu in September 2012.
Reese Witherspoon  wore a bikini in January 2014 when she visited Hawaii.
Rachel Bilson  rocked a black bikini and showed off her toned abs during an April 2012 vacation in Hawaii.
Julianne Hough got out of the water in Miami in April 2013.
In February 2015, Erin Heatherton modeled a bikini during a Victoria's Secret photo shoot in St. Barts.
Michelle Rodriguez proved she still had a rockin' bikini body while she was in France for May 2015's Cannes Film Festival.
In June 2015, Anna Kendrick  did a little twerking on the Hawaiian set of her new film.
Selena Gomez  strutted her stuff in April 2015 in Mexico.
Sienna Miller  relaxed in her bikini among all the Cannes madness in May 2015.
Fergie  proved she's been up in the gym just working on her fitness — she looked great in Miami in May 2015.
Chelsea Handler took a dip during her May 2015 vacation in the Bahamas.
Lady Gaga  rocked her luscious curves in the Bahamas in June 2015.
Arrow star Katie Cassidy wasn't afraid to show a little skin during an April 2015 Miami trip.
Jessica Alba  flaunted her flawless figure during her Caribbean vacation in April 2015.
In May 2015, Aubrey Plaza's bikini body was a surprising and refreshing site in Georgia.
Gigi Hadid posed for a superhot bikini photoshoot on Miami Beach in April 2015.
Rihanna  spent part of April 2015 in Hawaii, where she let loose in a bikini.
Christina  Milian didn't want to wait one more second for Summer, so she took a dip in Miami in May 2015.
In June 2015, Alessandra hit the beach to soak up the sun in Brazil.
Zoe Kravitz showed off her scintillating bikini body during a March 2015 trip to Miami.
Gisele Bündchen made an envy inducing getaway with her family in March 2015.
In June 2016, Beyoncé escaped to Hawaii for a romantic vacation with husband Jay Z.