31 Secret Hot Celebrity Brothers

Margot Robbie gave her younger brother a shoutout on her Instagram after she was announced as a best actress Oscar nominee. "Me & my lil bro just 15 hours ago. No better place to receive such exciting news - with my closest friends and family in my home country," she wrote. Cameron is also an actor, whose career is just starting up.

Alex Watson almost looks more like Emma Watson than Emma Watson in this photo. Following in his older sister's footsteps, Alex landed his first modeling gig as the face for Burberry back in 2010.

Besides the fact that he appeared (right between Angelina Jolie and Bradley Cooper) in Ellen's most-retweeted Oscar selfie in 2014, Lupita's younger brother Peter is just a regular 23-year-old. Peter graduated from Stetson University back in May and might have also caught the acting bug, according to his sister. "He's quite the performer!" Lupita told Ellen on her show.

Jessica's hot younger brother Joshua is also an actor, appearing in CSI, Alpha Dog, and Dark Angel.

Zac Efron ignited a firestorm on Twitter in July 2015 when he shared a shirtless photo of himself along with younger brother, Dylan, leading users to praise the "Efron genes." Since then, Dylan has worked as an assistant to executive producer Ravi Mehta on 2015’s Get Hard.

Taylor Swift's handsome actor brother first made headlines back in February 2016 when he posted a video of himself throwing a pair of Yeezys in the trash (coinciding with Kanye West releasing "Famous" containing an explicit lyric about Taylor.) Austin has since made his on-screen debut with I.T. and Live By Night and also appeared on Still The King with Billy Ray Cyrus.

Damn good looks seem to run in the family. Rosie Huntington-Whiteley's hot younger brother Toby is also a model and appeared in Essence, Jon, and was the face of the 2015 Jacamo spring campaign.

Dave is a notable actor in his own right by now, but we first knew him as James Franco's youger brother. After a breakthrough role on Scrubs, Dave has starred in Now You See Me, Neighbors, Nerve, and more recently alongside James in The Disaster Artist.

Is it that much of a surprise that someone who shares a gene pool with Blake Lively is also ridiculously good-looking? The second youngest of the five Lively siblings, Eric is also an actor and has appeared in American Pie, 24, and The Butterfly Effect 2.

Chris Evans' younger brother Scott also caught the acting bug and appeared in Confessions of Shopaholic, The Lovely Bones, and as a cop on One Life To Live.

When James Middleton isn't paling around with older sisters Pippa and Kate, he's starting his own marshmallow company. Yes, really. James is the creator of Boomf, a start-up that prints your Instagram photos on marshmallows. "When you see yourself on a marshmallow, or your loved one or your pet, you have a little moment with that little marshmallow. There aren’t many products in the world like that,” he told the Cut in 2014.

Told you so: There's a third Hemsworth brother. Luke Hemsworth is also an actor and currently has a role in the HBO series Westworld.

Justin Theroux and his 28-year-old brother Sebastian share strong jawlines and a family fondness for leather jackets.

Oliver Hudson is Kate Hudson's hot, older brother and is also an actor. Oliver is known for his roles in Rules of Engagement, Nashville, and Scream Queens

You might've already seen Scarlett Johansson's twin brother, Hunter as the actress' date to the White House Correspondents' Dinner. Hunter is more into politics than acting, having worked on President Obama's campaign in 2008 and 2012.

Just like his younger sister, Chloe, Trevor is an actor, appearing in Youth in Revolt, Big Bad Wolf, and Playing With Fire. He also served as an executive producer on two of sister Chloë's films, Kick-Ass 2 and Hick.

Rajad is Rihanna's 21-year-old brother and has accompanied his sister to red carpet events, including the launch of Fenty Beauty this past fall.

Miley's 23-year-old younger brother Braison is an aspiring musician and more recently a model. Braison made his runway debut for Dolce & Gabbana in June, with his proud older sister sharing the news on Instagram (albeit creating a stir for criticizing the Italian fashion house for its "politics").

Lily James, who starred as Cinderella in the live-action Disney film, has two older handsome brothers IRL. The actress said that Charlie gave her a copy of Cinderella years before she landed the role. “Weirdly, a few Christmases ago, my big brother Charlie gave me miniature books of all the fairy stories, including ‘Cinderella,’” she said.

Lily also has a second older brother named Sam, who is a student.