Jamie Lee Curtis (the Halloween series, Freaky Friday) is the daughter of Janet Leigh, best known for starring in Psycho.
Bryce Dallas Howard (Jurassic World, Black Mirror) is the daughter of Oscar winner Ron Howard.
Blake Lively (Gossip Girl, The Shallows) is half-siblings with Jason Lively, best known for portraying Rusty in National Lampoon’s European Vacation.
Oscar winner Julia Roberts is Emma Robert’s (We’re the Millers, American Horror Story) aunt.
Charlie Sheen (Two and a Half Men) and Emilio Estevez (The Mighty Ducks) are brothers.
Singer Kelly Clarkson’s mother-in-law is Reba McEntire. Together they’ve won six Grammy Awards.
Bill Skarsgård (IT) and Alexander Skarsgård (Big Little Lies, True Blood) are brothers.
Angelina Jolie is Jon Voight’s daughter. They have six Oscar nominations between them, and two wins (Jolie for Girl Interrupted and Voight for Coming Home).
Jonah Hill (who has two Oscar nominations for Moneyball and The Wolf of Wall Street) is siblings with Beanie Feldstein (Neighbors 2 and Lady Bird).
Jesse Eisenberg (The Social Network, Now You See Me, Zombieland) and Hallie Eisenberg from the famous 90s Pepsi commercials are actually siblings.
Taissa Farmiga (American Horror Story) and Vera Farmiga (Bates Motel, Up in the Air) are sisters.
Hugh Grant (Four Weddings and a Funeral, Bridget Jones’s Diary) and Thomas Brodie-Sangster (The Maze Runner series) were in Love Actually together and are actually cousins.
Gwyneth Paltrow (the Iron Man movies, Shakespeare in Love) is the daughter of Blythe Danner (Meet the Parents movies).
Dakota Johnson (the Fifty Shades series) is the granddaughter of Tippi Hedren, best known for starring in Alfred Hitchcock’s The Birds.
Jason Sudeikis (We’re the Millers, Horrible Bosses) is George Wendt’s nephew, best known as Norm from Cheers.(h/t)