We asked the BuzzFeed Community to tell us which celebrities they were shocked to learn are actually related. Here are the wild results.
To make things more interesting, there's a poll after each grouping so you can vote on who you think is more "famous."
1. Brad Pitt and Barack Obama are actually cousins (ninth cousins, but still).
2. Love Actually co-stars Hugh Grant and Thomas Brodie-Sangster are cousins.
3. Stanley Tucci is Emily Blunt’s brother-in-law.
4. Jonah Hill and Beanie Feldstein are brother and sister.
5. Ashlee Simpson's mother-in-law is Diana Ross.

6. Kerry Washington's cousin was Colin Powell.
7. Jason Momoa is Zoë Kravitz's stepfather.
8. Jamie Lee Curtis is the daughter of Janet Leigh and Tony Curtis.

9. Whitney Houston and Dionne Warwick are cousins.

11. Melissa McCarthy and Jenny McCarthy are cousins.
12. Rachel Brosnahan's aunt was Kate Spade.

13. Ron Howard is Bryce Dallas Howard's father.

14. Kelly Clarkson's mother-in-law was Reba McEntire.

15. Taissa Farmiga and Vera Farmiga are sisters.
16. Bianca Lawson is Beyoncé's stepsister.

17. Shirley MacLaine and Warren Beatty are siblings.

18. Dakota Johnson's mom is Melanie Griffith, and her grandmother is Tippi Hedren.
