On-screen romance sometimes lead to off-screen romance too. It's no surprise, since it's not hard to fall for the person your character is in love with. Especially since you see them on a very regular basis, for work. Check out some of the romances that went from on to off screen.

Rose Leslie and Kit Harington – Game of Thrones

Amy Poehler and Will Arnett – Arrested Development

Nina Dobrev and Ian Somerhalder – The Vampire Diaries

Kat Dennings and Nick Zano – 2 Broke Girls

Anna Paquin and Stephen Moyer – True Blood

Leighton Meester and Sebastian Stan – Gossip Girl

Jennifer Morrison and Jesse Spencer – House M.D.

Lisa Rinna and Harry Hamlin – Veronica Mars

Mila Kunis and Ashton Kutcher – That ’70s Show

Alexis Bledel and Milo Ventimiglia – Gilmore Girls

Jason Segel and Linda Cardellini – Freaks and Geeks

Jennifer Garner and Michael Vartan – Alias

Jerry Ferrara and Jamie-Lynn Sigler – Entourage

Melissa Benoist and Blake Jenner – Glee

Maggie Q and Dylan McDermott – Stalker

Tea Leoni and Tim Daly – Madame Secretary

Alexis Bledel and Vincent Kartheiser – Mad Men

Chad Michael Murray and Sophia Bush – One Tree Hill

Blake Lively and Penn Badgley – Gossip Girl

Emily VanCamp and Josh Bowman – Revenge

Ginnifer Goodwin and Josh Dallas – Once Upon a Time

Keri Russell and Scott Speedman – Felicity

Adam Brody and Rachel Bilson – The O.C.