Ashlee Simpson (pictured on Nov. 23, 2013) started out as a backup dancer for older sis Jessica before their respective reality shows sent them into superstardom.
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Julia and Eric Roberts had a family feud for a long time, but Roberts said in 2010 that there was no bad blood between them anymore.
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Madison De La Garza (left) is Demi Lovato’s maternal younger half-sister, and the super-tight sibs (pictured here on Sept. 10, 2011) are both in the biz. While Lovato made a name for herself with Disney, De La Garza starred in “Desperate Housewives” and “Bad Teacher,” as well as with guest roles and bit parts on other series.
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Mark and Donnie Wahlberg (pictured at a Lakers Game on Dec. 30, 2007) share more than just blood and Boston accents. The brothers also started out in music (Marky Mark and the Funky Bunch and New Kids On the Block, respectively), then branched out into acting.
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Don’t be fooled by the rocks that they got — Jennifer Lopez is still Jenny from the Block, and her television reporter sister Lynda makes sure she stays that way. The two knockouts were photographed together on March 23, 2013, at Muhammad Ali’s Celebrity Fight Night.
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Ben and Casey Affleck (pictured here on Jan. 13, 2013) have blood and acting chops in common.
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Paris and Nicky Hilton share genes, as well as a love for being photographed, like they were here on Feb. 10, 2014.
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Neil, Kimberly and Reid Perry of the Band Perry (pictured here on Nov. 5, 2013) have music in their blood.
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Angelina Jolie and brother James Haven (pictured here on Oct. 24, 2005) infamously locked lips at the Oscars in 2000.
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Compared to his Oscar-nominated sister Kate Hudson, Oliver is almost famous. The siblings smiled for the cameras on Aug. 2, 2005.
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Jared Leto doesn’t just trust his brother Shannon with musical duties in their band Thirty Seconds to Mars — he trusts him with his Oscar, too, since he let Shannon hold it at the ceremony on March 2, 2014.
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Michael Jackson (pictured here in 2006) was the most famous (and perhaps the most troubled) member of his family.
His brothers, Tito, Jermaine, Marlon and Jackie (seen here performing at the 2013 BET Experience on June 30, 2013) got started with the pop legend in the Jackson Five, while sister Janet (seen here on May 23, 2013) became a pop star in her own right. LaToya (pictured May 3, 2013) became a TV sensation, while fellow sister Rebbie (seen here on Nov. 2, 2011) also had a brief pop career.
Other Jacksons include Randy (not to be mistaken for the “American Idol” judge), Joh’Vonnie and Brandon.
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Donny Osmond was the breakout Osmond in his teen idol heyday, but sister Marie soon caught up. The “Little Bit Country, Little Bit Rock ‘N’ Roll” duo are pictured here on Dec. 3, 2008.
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Peyton and Eli Manning (seen here on Feb. 2, 2013) may face off on the field, but they’ve got nothing but a giant load of brotherly love when the pigskin season is over.
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Will Smith and Jada Pinkett-Smith’s children, Willow and Jada (pictured here on Jan. 25, 2014), have both followed in their famous family’s footsteps.
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Elizabeth Olsen (far left) shares pouty lips and big eyes with her older sisters, fraternal twins Mary Kate (center) and Ashley. Elizabeth and Mary Kate hung out at the 2013 CFDA Awards on June 3, while Ashley flew solo on Nov. 11, 2013.
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Liam, Luke and Chris Hemsworth have good looks, success and Australian accents. The trio Hemsworth hung out at the Vanity Fair Oscar Party on March 2, 2014.
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Beyonce and Solange
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Good thing comedian Charlie Murphy wore glasses to honor brother Eddie at Spike TV’s “Eddie Murphy: One Night Only” on Nov. 3, 2012, or else the world wouldn’t be able to tell them apart.
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Critical acclaim, blockbuster ticket sales and big blue-green eyes apparently run in the Gyllenhaal family, because Maggie and Jake were each blessed with all three, as seen here on March 7, 2010, at the Academy Awards.
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Robert Schwartzman (left) and Jason (far right) are both movie stars and musicians in their own rights. Robert fronted California-based band Rooney and starred in “The Princess Diaries,” while Jason performed with Coconut Records and focuses primarily on his film career, including critical darling “The Darjeeling Limited.” They’re pictured here with mother Talia Shire on Oct. 4, 2007.
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Beau Bridges (right) may not have an Oscar like Jeff does, but they do have one important thing: brotherly love. They showed it off on Jan. 8, 2011.
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Seen here on April 18, 2013, twin comedians, actors and animators Kenny and Keith Lucas collectively refer to themselves as the Lucas Brothers — which is great, because good luck telling them apart.
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Though they don’t look too much alike, director Andrew and actors Owen and Luke Wilson are indeed brothers, and they bonded here on May 10, 2007.
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Seen here on Jan. 30, 2013, Kate and Rooney Mara’s bond is a lot sturdier than a house of cards. The actresses support one another’s projects constantly.
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Buttery blond hair? Check. Gorgeous eyes? Check. Acting ability beyond their years? Check. Elle Fanning is following in older sister Dakota’s footsteps for sure, as seen here on Oct. 2, 2013.
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No, you’re not drinking too much Tiger Blood: That really is Charlie Sheen with brother Emilio Estevez on the set of docudrama “Rated X” in January 2000.
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On-screen legends Warren Beatty and Shirley MacLaine were photographed sharing a laugh on June 12, 2008.
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Dave Franco (left) and brother James were both mama’s boys as they posed with mother Betsy at James’ Hollywood Walk of Fame star ceremony on March 7, 2013.
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The Baldwin brothers include Stephen (lower left, seen on Feb. 9, 2014), Daniel (lower center, seen Nov. 12, 2010), Billy (lower right, on March 4, 2006), and Alec (top, on Feb. 1, 2014), who’s the oldest and best known.
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Shawn and Marlon Wayans may have risen to fame on “The Wayans Brothers,” but that doesn’t even include fellow funnymen Damon and Keenan Ivory Wayans. They had a boys’ night out here on Aug. 30, 2006.
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Ray J (seen here with sister Brandy on June 3, 2010) may be best known for being Kim Kardashian’s co-star in the sex tape that put her on the map.
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Though the Jonas Brothers’ musical career as a band is no more, Nick, Joe and Kevin (seen here on Sept. 5, 2013) are still close.
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Twins Benji (left) and Joel Madden (seen here on Nov. 29, 2012) found fame, and a lot of tattoos, together in their band, Good Charlotte.
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Kirk Cameron (seen here on Sept. 25, 2008) and Candace Cameron Bure (pictured here on March 11) share their ’90s television pedigrees as well as devotion to their Christian faith.
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Britney Spears (right) and little sister Jamie Lynn, pictured here in 2011, both started in showbiz as kids and love music and motherhood, as well as each other.
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Seen here in August 2013, Emily Deschanel (right) has starred on “Bones” since 2005. Next to her record on Fox, Zooey really is a “New Girl.”
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The Mastersons may be one of the most successful sets of TV siblings around. Chris (top left) starred on “Malcolm in the Middle,” and Danny (top right) on “That ’70s Show.” Alanna (bottom left) is on “The Walking Dead,” while Jordan (bottom right) is on “Last Man Standing.”
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