Nowadays, celebrities are an open book. They post their favorite clothes, foods, and vacation spots on Instagram and let us know where they are through social media. But, there are still some secrets that these A-listers like to keep under wraps, and surprisingly, it has to do with their familes. Click through our slideshow to see the unlikely celebs that share a family tree. Trust us, some of these are going to have you saying "OMG!"
[Photos: Splash]
Blake Lively & Bart Johnson
Yes, we're saying that the former "Gossip Girl" star and the coach from "High School Musical" are related. Johnson is actually married to Lively's sister, Robin Lively.
[Photo: Instagram]
Julia & Emma Roberts
No, Julia's not Emma's mom. She's her aunt!
Lily & Phil Collins
The famous singer's daughter is actress Lily Collins!
Ben Affleck & Matt Damon
Not only do they have the biggest bromance in Hollywood, but Ben Affleck and Matt Damon are actually 10th cousins, once removed, according to Us Weekly.
[Photo: Instagram]
Rashida & Quincy Jones
The funny girl's dad is music legend Quincy Jones!
[Photo: Instagram]
Al Roker & Lenny Kravitz
This one threw us for a loop too... Apparently, the beloved weather man and the legendary rockstar are related. Us Weekly reports that their grandfathers were cousins!
Hillary Clinton & Madonna
This is amazing. Clinton told Ellen Degeneres that she and Madonna share the same great-great-great-great-great-great-great-great-great-grandparents, according to Us Weekly.
Amy Schumer & Chuck Schumer
The "Trainwreck" star and the New York senator are distant cousins!
Elle King & Rob Schneider
OMG, really? The "Ex's & Oh's" singer is the funny man's daughter!
Kate Middleton & The Fanning Sisters
Yes, you read this correctly. The Duchess Of Cambridge is actually a distant cousin of Dakota and Elle Fanning. They're all descendants of King Edward III, according to Us Weekly.
Melissa & Jenny McCarthy
I guess McCarthy isn't just a common last name. The comedy queen and famous host are actually cousins!
Alexander & Stellan Skarsgard
Being talented actors must run in the family. The Skarsgards are father and son!
Zoey Deutch & Lea Thompson
You can totally see the resemblance! The famous actresses are mother and daughter!