There are a lot of family trees running through Hollywood, but there are also a ton of celebrities who look similar without sharing any family ties at all. These kinds of connections can actually be pretty surprising. Universal Pictures / Via giphy.com
Here are 15 pairs of celebs I was surprised to find out are related and 15 pairs I was surprised to find out aren't actually related: 1. Emma Roberts is Julia Roberts's niece . Jon Kopaloff / FilmMagic / Via Getty
2. Diane Keaton and Michael Keaton both use stage names — no relation. Christopher Polk / Getty Images for Turner, Dia Dipasupil / Getty Images
3. Jonah Hill and Beanie Feldstein are siblings . Paul Archuleta / FilmMagic / Via Getty
4. Victoria Justice and Nina Dobrev, who look like they could be sisters, are not related . Steve Granitz / WireImage, Jason Kempin / Getty Images / Via Getty
5. Brandy and Snoop Dogg are cousins . Michael Caulfield Archive / WireImage / Via Getty
6. Katy Perry and Zooey Deschanel don't share any blood. Jesse Grant / WireImage for Bluprint / Via Getty
7. Melissa McCarthy and Jenny McCarthy are cousins . Frazer Harrison / Getty Images, Alberto E. Rodriguez / Getty Images
8. Yet Mila Kunis and her mini me, Odeya Rush, aren't remotely related. Neilson Barnard / Getty Images, Jon Kopaloff / FilmMagic / Via Getty
9. Glenn Close and Brooke Shields are second cousins . Scott Wintrow / Getty Images
10. Susan Sarandon and Sigourney Weaver might look related, but they aren't . David M. Benett / Via Getty
11. Nicolas Cage and Sofia Coppola are actually cousins . J. Vespa / WireImage / Via Getty
12. And somehow, Lucy Hale and Selena Gomez aren't . Matt Winkelmeyer / Getty Images for Critics Choice Association, Theo Wargo / Getty Images
13. Wyatt Russell and Kate Hudson are half siblings . Vittorio Zunino Celotto / Getty Images
14. Penélope Cruz and Salma Hayek are friends , but not family. Kevin Winter / Getty Images
15. Lily Collins is the daughter of Phil Collins. Todd Williamson / Via Getty
16. Tatyana Ali and Gabrielle Union were great as costars in The Brothers , but they're not related in any way, shape, or form. Chris Weeks / Via Getty
17. Denzel Washington is the father of John David Washington. Allen Berezovsky / Getty Images
18. Emma Mackey and Margot Robbie might look alike, but they're not related. Stephane Cardinale - Corbis/Corbis via Getty Images, Emma McIntyre / Getty Images / Via Getty
19. Jamie Lee Curtis is the daughter of Janet Leigh. Jim Smeal / Ron Galella Collection via Getty Images
20. Jennifer Garner and Christa B. Allen aren't related, but they looked enough alike to play the same character in 13 Going on 30 . Michael Caulfield Archive / WireImage / Via Getty
21. Karen Gillan and Caitlin Blackwood are cousins , and they met for the first time when they both played Amy Pond on Doctor Who . Axelle/Bauer-Griffin / FilmMagic, Ian West/PA Images via Getty Images
22. Helen Mirren and Alexandra Grant don't share any familial ties. Alberto E. Rodriguez / Getty Images, Stefanie Keenan / Getty Images for SUTTON / Via Getty
23. Bryce Dallas Howard is the daughter of Ron Howard. David Livingston / Getty Images
24. Paul Reubens and Alan Cumming are neither cousins nor clones. Bruce Glikas / FilmMagic / Via Getty
25. Diana Ross is the mother of Tracee Ellis Ross. George Pimentel / Getty Images
26. Zach Galifianakis and Nick Offerman aren't related; they just look a whole lot alike with their beards. David Livingston / Getty Images, Roy Rochlin / FilmMagic / Via Getty
27. Melanie Griffith is Dakota Johnson's mom . Dan Macmedan / WireImage / Via Getty
28. Kristen Stewart and Jena Malone might look like they could be cousins, but they aren't . E. Charbonneau / WireImage / Via Getty
29. However, Al Roker and Lenny Kravitz are second cousins . Al Pereira / WireImage / Via Getty
30. And finally, I truly find it difficult to believe that Keira Knightley and Winona Ryder are not related in any way, shape, or form. Jeff Spicer / Getty Images, Steve Granitz / WireImage / Via Getty
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