What's The Biggest Secret You Wish You Didn't Know About Your Sibling?

BuzzFeed
·1 min read

Growing up with siblings often means they become one of your first best friends in life.

Adam DeVine and Zac Efron are wearing matching sleeveless shirts that read "Shangle Bros Champs 4EVA" and holding bocce balls, talking and smiling outdoors in a scene from "Mike and Dave Need Wedding Dates"
Gemma LaMana / © 20th Century Fox Film Corp. / Courtesy Everett Collection

And while you might think you know everything about a person, especially one you're related to, chances are you don't.

Sanaa Lathan stands with hands on hips, talking to a woman in a blue shirt at a diner counter. A man in a cap sits in the background in a scene from "The Family That Preys"
© Lionsgate / Courtesy Everett Collection

Have you ever found out a shocking secret about your sibling? If so, I want to hear from you!

Malin Akerman and Katherine Heigl stand together, discussing something on a black frame, with papers in their hands in a scene from "27 Dresses"
© 20th Century Fox / Courtesy Everett Collection

Maybe your parents revealed that your brother or sister was adopted and didn't decide to tell you until adulthood?

Toni Collette and Cameron Diaz in an indoor social setting, wearing stylish dresses, with drinks in hand. They appear attentive and engaged in conversation in a scene from "In Her Shoes"
© 20th Century Fox / Courtesy Everett Collection

Perhaps you found out they were cheating on their husband or wife after accidentally bumping into them on a date?

Amber Riley looks surprised while talking on a cellphone in an indoor setting in "Nobody's Fool"
Chip Bergmann / © Paramount / Courtesy Everett Collection

Or, maybe you had a moment straight out of The Parent Trap and reunited with a long-lost sibling after being separated at birth?

Lindsay Lohan, as identical twins Annie and Hallie, face each other and smile in a scene from "The Parent Trap" movie
© Walt Disney Co. / Courtesy Everett Collection

Share a secret you learned about your sibling(s) in the comments or submit anonymously using this Google form. Your response might be featured in an upcoming BuzzFeed Community post!