The Cutest Celebrity Siblings in Hollywood

The two brothers goofed off during the 2015 Kids' Choice Awards.

Maggie met up with her brother, Jake, at the Oscars in 2010 and shared a laugh. The adorable duo have made plenty of red carpet appearances together since then, including this year's Golden Globes, where Jake was Maggie's date.

Aside from being accomplished big-screen stars, the Fanning sisters also travel together. They visited Seoul, South Korea, in 2013.

Nikki spent quality sibling time with her big brother, Nathan, and always shares cute photos of the two on social media, like this #TBT of their younger selves and this fresh-faced selfie.

The two brothers share not only royal blood but also the same passion for sports, like when they attended the 2014 Invictus Games in London. The famous Brits have also accompanied each other to events like the Google+ Hangout and a dear friend's wedding.

Lupita brought her younger brother, Peter, to the Oscars, where he met tons of celebrities and helped his big sister celebrate her win for best supporting actress in 12 Years a Slave.

Peter Nyong'o even met Whoopi Goldberg!

The two sisters are frequently spotted partying together and going to music festivals.

Chloë proves she can hold her own against her four brothers: Ethan, Brandon, Trevor, and Colin. Her eldest brother, Trevor Duke-Moretz, is an actor and producer and accompanied Chloë to the 2015 Oscars.

Emma may be an A-list star, but the actress can also kick back like any twenty-something. She spent time with her half-sister, Grace Nickels, during the holidays last year and, like all of us, had the "day after Christmas blues."

The genetically blessed brothers attended the afterparty for Thor, where Liam supported Chris's movie.

The two sisters not only look alike but also have similar tastes when it comes to posting on social media.

Emily and Zooey held hands as they walked on stage at the 2013 Emmys to present an award. In a recent interview with Jimmy Kimmel, Zooey revealed that she and her sister are both expecting a baby.

The sisters not only go all out for each other's birthdays but also have a close bond with their dad, Joe Simpson.

Dave supported his brother James when he received a star on the Hollywood Walk of Fame.

The two sisters celebrated Hilary's son's third birthday by indulging on cupcakes.

Casey is three years younger than Ben, and both are accomplished actors. The two have worked on several films together, including Good Will Hunting and Gone Baby Gone. Ben and Casey are also good friends with Matt Damon.

James and Oliver are just as awesome as their Harry Potter counterparts, Fred and Ron Weasley. When James and his brother met another set of twins, he humorously captioned the photo, "Oliver and I met another set of twins at the weekend, we talked about being twins and stuff," and included funny hashtags like: #verynicefolks #Iwouldbeatoliverinamatch #wouldbeaTLCmatch #maybenot #dontmakehimangry."

Both siblings are blessed with amazing dance skills and have appeared on Dancing With the Stars. Julianne is currently a judge on the dance-competition series, and older brother Derek has won a record five seasons.

Ansel had the sweetest birthday ever when he had a down-to-earth celebration with siblings Warren and Sophie. Warren is an NYC filmmaker at Angler Films, while Sophie is a photographer.

Not only are Gigi and Bella both successful models with one seriously cool mom, but the two are inseparable, even in Paris.

Anna and Michael share the same humor and playfulness. The siblings went to the Tonys together, and Anna jokingly wrote on her social media account, "Basically as long as I have my fancy hair, my big brother cannot put me in a headlock."

Luke and Owen showed off their brotherly bond at the World Premiere of Starsky & Hutch.

The good-looking siblings are both actors and models. The two even collaborated for a flawless, beautiful Burberry campaign.

Dylan and Cole are all grown up from their Disney days. The identical twins, however, are still as close as ever and even attended New York University together.

When the Victoria's Secret model isn't posting adorable beach snaps of her children, she shares the close bond she has with her family, especially sister Aline.

Beyoncé and her sister may have their fair share of sisterly disputes, but the two still remain one of the closest pairs of siblings in Hollywood. The duo performed together at Coachella last year, and this year, got the party started at Vanity Fair's Oscars bash.

Chace and his younger sister, Candice, a reporter, are often seen at events together and both attended the White House Correspondents' Dinner cocktail party in 2011. Chace is the uncle to Candice's two little boys — Hawkins and Rivers.

Demi is superclose to her younger half-sister, Madison, who is also an actress. The two share a penchant for "keeping hair out of faces and taking selfies."