04/10/2014 11:52 am ET Updated Apr 30, 2014

These Celebrities Have Ridiculously Good Looking Siblings, Yet We're Not Surprised

Hey, it's #NationalSiblingsDay! And who knows more about the importance of sisterhood (or brotherhood) than the siblings of A-listers? (After all, who doesn't love a plus-one?)

Below, find over 50 celebrity siblings -- and even twins! -- who reinforce the belief that good genes run in the family:

Celebrity Siblings!

Subscribe to the Entertainment email.
Home to your favorite fan theories and the best movie recs.