Celebrity Siblings You Probably Didn't Know About

Actress Rachel McAdams is eldest of three children; she has a brother, Daniel, and a sister, Kayleen, who works as a makeup artist.

Gigi and Bella Hadid have both become successful models, and their younger brother Anwar is following their footsteps. He signed to IMG Models in 2016, and has appeared in Nylon Magazine and Teen Vogue. The three share parents in Real Housewives of Beverly Hills star Yolanda Foster and her first husband, Mohamed Hadid.

Shailene's younger brother Tanner is also an actor — he's had roles in short films as well on the show Boston Legal in 2006.

Zach's brother Adam helped cowrite his film Wish I Was Here. Their other brother, Joshua, is also a published author.

Nicole and Sofia have different mothers, but they share a dad in superstar musician Lionel Richie. Sofia has been featured in fashion magazines like Teen Vogue and Elle, and she's well on her way to becoming a style star like her older sister.

Jessica's younger brother Joshua is also an actor, who appeared alongside her on the TV series Dark Angel.

These blond (and sometimes brunette) beauties have been acting and modeling since they were able to walk. Dakota has starred in over 30 films, including Man on Fire, The Runaways, and the Twilight saga. Elle is hot on her heels, acting in films like Maleficent and Teen Spirit.

Anne's older brother, Michael, is a writer. The actress has cited his coming out as gay as the catalyst for her support of LGBT rights and the reason her family left the Catholic church. Anne's younger brother Thomas is an aspiring actor.

Taylor has a younger brother named Austin who she has brought to numerous award shows over the years. After studying film at Notre Dame University, he is slowly starting to get into the movie business including having a small role in Ben Affleck's Live by Night in 2016.

Demi's younger half sister Madison is an actress that starred on Desperate Housewives. Demi also has an older sister named Dallas and an older half sister, Amber.

Katy Perry's brother David Hudson is also a musician, and he walked the red carpet with his famous family member at the Grammys in 2014.

Penélope is one of the biggest A-list actresses in the world and has starred in films like Volver, Blow, and Vanilla Sky. Mónica is also a Spanish actress and dancer and even stood in as a body double for her sister during filming for Pirates of the Caribbean: On Stranger Tides in 2010.

The ladies have a younger brother named Eduardo who is a musician and has worked on the scores for some of Penélope's films, including Pirates of the Caribbean: On Stranger Tides and Twice Born.

Emma Watson's handsome younger brother, Alex, is a model and actor; he's even been an extra in two of the Harry Potter films alongside his sister.

Jennifer often alludes to her older brothers, Blaine and Ben, as the reason why she's such a tomboy, but she was all dolled up as a bridesmaid in Blaine's wedding in April 2014, which was featured in Martha Stewart Real Weddings.

Do we even have to explain? Kate is the very stylish Duchess of Cambridge, and her younger sister, Pippa, gained worldwide notoriety as quite possibly the hottest maid of honor in history. They also have a dashing younger brother named James.

Jack and Kelly's older sister Aimee opted out of appearing on the family's reality show back in the early 2000s and leads a quiet life out of the public eye.

John Mayer has a younger brother named Ben and an older brother named Carl, who has been known to perform on stage with him during concerts.

Whitney Port has three sisters, Jade, Paige, and Ashley, as well as a brother named Ryan.

You may recall that the Lawrence brothers had their own sitcom, Brotherly Love, in the '90s.

Gisele Bündchen actually has five sisters — Raquel, Graziela, Gabriela, Rafaela, and her fraternal twin Patricia.

Rihanna has two brothers, Rorrey and Rajad Fenty; two half sisters, Kandy and Samantha; and a half brother, Jamie, from her father's side.

Robert Pattinson has two older sisters, Victoria and Lizzy. Lizzy is an aspiring singer who auditioned on The X Factor UK in 2014.

Jessica and Ashlee Simpson are probably one of the most famous sets of sisters in the world, thanks to their individual singing careers and fashion design gigs. They both tied the knot in 2014; Jessica married Eric Johnson in July, and Ashlee wed Diana Ross's son Evan the following month.

Mamie and Grace are both actresses, and Louisa is a model. They, along with their older brother Henry, happen to be the children of legendary film star Meryl Streep and sculptor Don Gummer.

Liv and Mia Tyler share a father in Aerosmith frontman Steven Tyler, but they have different moms — model Bebe Buell and actress Cyrinda Foxe, respectively.

Like his younger brothers Chris and Liam, Luke Hemsworth is also an actor who is rather easy on the eyes. He most recently starred on HBO's Westworld.

Paris and Nicky Hilton have a younger brother named Barron, who has been known to hit the red carpet with them for high-profile events. Their youngest brother, Conrad, isn't as visible as the rest of the Hilton clan.

Giovanni Ribisi and his twin sister, Marissa, are both famous actors. He's been in films like Gone in 60 Seconds, Saving Private Ryan, and Gangster Squad (and let's not forget his role as Phoebe Buffay's brother on Friends), and Marissa starred in Dazed and Confused, Pleasantville, and Felicity. She launched a fashion line called Whitley Kros in 2007 and was married to singer Beck for 15 years before they split in February 2019. Fun fact: Giovanni and Marissa were delivered by Bibbe Hansen — who is Beck's mom!

You are likely very aware of the fact that Kim, Khloé, Kourtney, and Rob are sisters and brother. They have two half sisters, Kylie and Kendall Jenner, from their mom Kris's marriage to Caitlyn Jenner. Caitlyn also has two children, son Burt and daughter Casey, from her first marriage, and two sons, Brandon and Brody, from her second marriage.

Lauren and Breanna both starred on separate seasons of Laguna Beach on MTV and have a younger brother named Brandon.

Kevin, Joe, and Nick are best known as the Jonas Brothers, but they also have a younger brother named Frankie, who has long been affectionately known as "the bonus Jonas."

One Direction's Harry Styles has an older sister named Gemma. She received a First Class Honors Degree at Sheffield Hallam University in England in 2013 and has an awesome head of hair, just like her brother.

Ansel Elgort has two older siblings: brother Warren, a film editor, and sister Sophie, a photographer.

Lupita Nyong'o's younger brother Peter was on hand to see his sister take home the Oscar for best supporting actress in 2014 — he also got to take part in a pretty epic celebrity selfie!

Kate and Oliver are the children of Goldie Hawn and musician Bill Hudson. After they divorced in 1980, Oliver and Kate were raised in Colorado by Goldie and her longtime partner, Kurt Russell, who they consider their father. Their half brother is also Wyatt Russell.

Both Savage brothers were child actors — Fred on The Wonder Years and Ben on Boy Meets World, and both took breaks from show business to attend college and try their hand at directing. They have a sister, actress and musician Kala Savage.

Actor Ralph Fiennes is the eldest of six children, including Joseph, who has starred on The Handmaid's Tale. His sisters, Martha and Sophia, are both filmmakers, and his brother Magnus is a composer. Joseph also has a twin brother named Jacob, but unlike his siblings, Jacob isn't in the entertainment business.

In addition to being first cousins with actress Melissa McCarthy, Jenny McCarthy has three sisters: Joanne, Amy, and Lynette. Can you see the resemblance?

Rachel Bilson has two younger half sisters, Hattie and Rosemary.

Twilight actress Nikki Reed has a superhot older brother named Nathan.

Actors Liev and Pablo Schreiber are half brothers.

Actor Joaquin Phoenix has three sisters: Rain, an actress, musician, and singer; Liberty, who is the office manager for her mother's charity organization River Phoenix Center for Peacebuilding; and Summer, an actress and model who was previously married to Ben Affleck's younger brother, Casey. They also had an older brother, actor River Phoenix, who tragically passed away from a drug overdose in 1993.

Being the offspring of '70s TV star Peggy Lipton and musical genius Quincy Jones obviously comes with its advantages; aside from being supertalented, Rashida and Kidada are gorgeous and stylish, too. Rashida is a TV and movie actress with starring roles on Parks and Recreation and Tag. Her big sister Kidada is also an actress, as well as a fashion designer and stylist.

Mary-Kate and Ashley Olsen are the pint-size actresses who got their start as infants on Full House and became two of the wealthiest women in entertainment. They are now esteemed womenswear designers for The Row, Elizabeth and James, TEXTILE, and StyleMint. Elizabeth Olsen is also an actress, known for her role as Scarlet Witch in the Avengers movies. The girls also have an older brother named James, who is (half of) the namesake for Elizabeth and James.

Luke and Owen Wilson have an older brother named Andrew, who is also an actor as well as a director. He's starred in some of the same movies as his brothers, including Zoolander, The Royal Tenenbaums, and Hall Pass.

Blake Lively's older brother Eric is also an actor, as is her older half sister Robyn, who starred in 1989's Teen Witch. She has another half sister named Lori and a half brother, Jason, who played Rusty in National Lampoon's European Vacation.

Like Kate and Pippa, there's really no point in reminding you who these beauties are, and there's no doubt that they are both stars in their own right. Beyoncé and little sister Solange never fail to look amazing, whether on stage, on the red carpet, or sitting courtside at a basketball game.

Fashion designer and former Spice Girl Victoria Beckham has an equally stylish sister named Louise, who also has four children. They also have a younger brother named Christian.

Zooey is an actress and singer-songwriter who is well-known for starring on New Girl. Her older sister Emily starred on Fox's Bones.

Zac Efron has a younger brother named Dylan, who he often brings to award shows and NBA games.

Brad Pitt's younger brother Doug is a businessman, philanthropist, and Goodwill Ambassador for the United Republic of Tanzania. He, along with Brad and their younger sister Julie, is very active in charitable efforts, especially in Africa.

Sienna is an actress best known for her roles in Layer Cake and Factory Girl. Savannah is a Central St. Martins graduate and designer. The two joined forces in 2007 to create their line, Twenty8Twelve, but stepped down from the label in 2012. They have two brothers, Charles and Stephen.

Ryan's older sister Mandi, who he often brings to red carpet events, is a producer.

These two share remarkably stylish genes: both Charlotte and Lou are the daughters of actress and singer Jane Birkin and are successful in their own right. Charlotte is an actress and singer, as well as the longtime muse of former Balenciaga designer Nicolas Ghesquière. Younger half sister Lou has posed for Gap and serves as a muse for Givenchy, Burberry, and Vanessa Bruno. She also modeled for the Pirelli calendar in 2007.

Lana Del Rey — real name Elizabeth Grant — has a younger sister named Caroline, who goes by Chuck. She's a photographer who attended the Parsons School in NYC and considers Lana one of her biggest muses. Lana and Chuck also have a younger brother named Charlie.

Jared and Shannon are in a band together (you may have heard about Thirty Seconds to Mars?), and Shannon was a major fixture on the red carpet with his older brother when he took the 2014 award season by storm.

Kaley Cuoco's younger sister Briana is a singer who has made guest appearances on her sister's show The Big Bang Theory and auditioned on The Voice in 2013.

Miley has two younger siblings, brother Braison and sister Noah. She and her elder half siblings, Brandi and Trace, share the same mom, Tish Cyrus. Miley also has an older half brother named Christopher from her father Billy Ray's previous relationship.

Fashion designer Charlotte Ronson and DJ Samantha aren't just sisters — they're fraternal twins. Samantha often provides the playlists for Charlotte's runway shows and spins at her afterparties. They also share another artistic sibling in musician Mark Ronson.

Lady Gaga — real name Stefani Joanne Angelina Germanotta — has a younger sister named Natali, who is an aspiring artist and Parsons graduate.

Scarlett Johansson's twin brother, Hunter, was born three minutes after her and often accompanies her to industry events. Both Johansson twins have an interest in politics — Scarlett is a noted supporter of Barack Obama, and Hunter served as a campaign adviser for the president in 2008.

Yes, there is a third Franco brother! His name is Tom; he's an artist, sculptor, and painter, and he's smack dab in the middle between actors James and Dave.

Kate's younger half sister Lottie is already following in the famous footsteps of her supermodel sister; Lottie has posed for Dazed and Confused and W and also re-created Kate's iconic Calvin Klein campaign for the brand in July 2014.

Both models, Lily and Ruby are the daughters of English artist Alan Aldridge and Playboy playmate of the month Laura Lyons. They have a half sister, Saffron, who was a Ralph Lauren model in the '90s, as well as a half brother, Miles Aldridge, who is a fashion photographer.

Gwyneth and Jake are the children of actress Blythe Danner and the late director and producer Bruce Paltrow. Gwyneth, as we all know, is an A-list actress and lifestyle guru, and Jake is a director and screenwriter.

You'll definitely have to do a double take to tell Shawn Ashmore and his brother Aaron apart! The boys are both actors and have worked both together and separately — they each starred on Smallville, and Shawn has gained fame for his role as Iceman in the X-Men film series.

Both actors, Jake and Maggie have starred in over 50 films between the two of them, including three together: Homegrown, A Dangerous Woman, and Donnie Darko.

Most people know Angelina Jolie's older brother, James Haven, from that now-infamous kiss during the Oscars in 2001, but James himself is an actor and Hollywood fixture; since 2006, he's been the executive board director of Artivist, a festival in Los Angeles that highlights films addressing human rights, animal rights, and environmental issues.

If you're familiar at all with Mark Wahlberg's reality show Wahlburgers, you'll know that he comes from a pretty big Boston-bred family. He is the youngest of nine children; brothers Arthur, Jim, Paul Robert, and Donnie, and sisters Tracey, Michelle, and Debbie, who passed away in 2003.

British models Poppy and Cara Delevingne have an older sister named Chloe who, unlike her jet-setting sisters, lives a pretty quiet life in their native England.

Maroon 5 frontman Adam Levine has a younger brother named Michael, who is gay; Adam spoke out about his brother coming out in a 2011 interview, saying, "We all really wanted to provide some cushion for him and constantly let him know that's it's OK. You've gotta embrace it from the beginning."

Lindsay Lohan is the eldest of four; her sister and brother, Ali and Michael Jr., are both aspiring actors. Her youngest brother Dakota "Cody" Lohan has managed to stay out of the spotlight, popping up occasionally with Lindsay at family outings.

Jon Heder, the actor best known as Napoleon Dynamite, has an identical twin brother named Dan. In an interview on the Late Show With David Letterman in 2009, Jon said that as children he and his twin "caused a lot trouble by pretending to be the other." They're now partners in a production company.

Casey Affleck is three years younger than his brother Ben and is also childhood friends with Matt Damon. Both Affleck brothers are actors, directors, and dads; Casey has two kids with his ex-wife, Summer Phoenix, and Ben has three children with ex Jennifer Garner.

Stella McCartney and her sister, Mary, are the daughters of legendary musician and former Beatles singer Paul McCartney and his late wife, Linda. Mary is a photographer, and Stella, of course, is an iconic fashion designer. The women have a half sister named Heather (Linda's daughter from a previous marriage whom Paul adopted), a younger brother named James, and a younger half sister, Beatrice, from Paul's second marriage to Heather Mills.

Glee star Chord Overstreet has an older brother, Nash, who plays guitar in the band Hot Chelle Rae. They also have an older sister, Summer, and three younger sisters, Harmony, Skye, and Charity.

Ashton Kutcher's fraternal twin brother, Michael, currently lives in Denver, CO. Michael was diagnosed with cerebral palsy as a kid and underwent a heart transplant at age 13. He now works as a motivational speaker and spokesperson for the advocacy organization Reaching For the Stars and has traveled to Washington DC to fight for cerebral palsy funding.

Britney and her younger sister, Jamie Lynn, also have an older brother named Bryan.

Chris's younger brother Scott is also an actor; he's starred on One Life to Live, Fringe, and White Collar.

Vanessa is supertight with her younger sister Stella, who is also an actress. They are often spotted hanging out together in LA, and Vanessa has brought her along to many red carpet premieres and parties.

Usher's younger half brother, James, is the product of his mother's second marriage.

Audrina, who starred on The Hills, has a younger sister named Casey. She is married to professional dirt-bike rider Kyle Loza and has two children.

Both TV and film actresses, Kate and her younger sister, Rooney, are equal parts incredibly talented and impeccably chic. Kate has been on the small screen in House of Cards and in films like Brokeback Mountain and 127 Hours. Rooney is best known for her roles in The Social Network and as Lisbeth Salander in the big-screen adaptation of The Girl With the Dragon Tattoo.

Both professional dancers, Derek and Julianne have three older sisters: Sharee, Marabeth, and Katherine.

Orlando Bloom's older sister Samantha has acted in Love and Other Disasters and Pride & Predjudice.

Bradley's older sister Holly has accompanied him to various Hollywood events, including the Oscars.

Sports commentator Erin Andrews has a younger sister named Kendra. She is an actress and professional dancer and starred in Step Up 3D.