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We all want to believe that the on-screen chemistry between actors is real--and clearly, these celebrities do too. From Jennifer Garner to Tom Cruise, here are some of Hollywood's most serial co-star daters.[Photo: Splash News]
Taylor Lautner
Taylor Lautner dated his Valentine's Day costar Taylor Swift. He also dated Lily Collins, his Abduction costar and Marie Avgeropoulos, his Tracers costar.
[Photo: Splash News]
Emma Stone
Emma Stone dated Teddy Geiger, her costar in The Rocker, Kieran Culkin, her Paper Man costar, and Andrew Garfield, her costar in The Amazing Spider-Man.
[Photo: Splash News]
Ian Somerhalder
Ian Somerhalder dated Maggie Grace, his Lost costar and Nina Dobrev, his Vampire Diaries costar.
[Photo: Splash News]
Alex Pettyfer
Alex Pettyfer dated Emma Roberts, his costar in Wild Child. He also dated Diana Agron, his I Am Number Four costar, and Riley Keough, his Magic Mike costar.
[Photo: Splash News]
Tom Cruise
Tom Cruise dated his Vanilla Sky costar Penelope Cruz (confusing, right?), in addition to dating (and marrying) Nicole Kidman, his Days of Thunder costar.
[Photo: Splash News]
Rachel McAdams
Rachel McAdams has dated Taylor Kitsch, her True Detective costar, Michael Sheen, her costar in Midnight in Paris, and most famously, Ryan Gosling, her costar in The Notebook.
[Photo: Splash News]
Jennifer Garner
In addition to dating (and marrying) her Daredevil costar Ben Affleck, Jennifer Garner also dated Scott Foley, her costar in Felicity and Michael Vartan, her Alias costar.
[Photo: Splash News]
Ben Affleck
Affleck dated (and married) his Daredevil costar Jennifer Garner. He also dated Gwyneth Paltrow, his Shakespeare in Love costar.
[Photo: Splash News]
Sandra Bullock
Bullock dated Ryan Gosling, her Murder by Numbers costar, her Love Potion No. 9 costar Tate Donovan, and Matthew McConaughey her A Time to Kill costar.
Gwyneth Paltrow
Gwyneth Paltrow dated her Shakespeare in Love costar Ben Affleck. She also dated her Seven costar, Brad Pitt, and Luke Wilson, her Royal Tenenbaums costar.
[Photo: Shutterstock.com]
