On-Set Celebrity Romances

Anna Paquin and Stephen Moyer
The couple, who met on the set of 'True Blood,' admit they "had an a certain instant connection" and are currently living together.

HBO / AP

LeAnn Rimes and Eddie Cibrian
The duo developed a "strong bond" on the set of their upcoming made-for-TV flick 'Northern Lights' and reportedly began having an affair, but Cibrian has flatly denied they are anything more than good friends.

FilmMagic / WireImage

Jamie Kennedy & Jennifer Love Hewitt met on the set of 'Ghost Whisperer.' Kennedy confirmed the news on Ryan Seacreast Live and admits they have "a really intense connection ... it's so much more than love."

Sonja Flemming, CBS

Dev Patel and Frieda Pinto got close during their promotion of 'Slumdog Millionaire.'

Dave Benett, Getty Images

Peter Facinelli & Jennie Garth met in 1995 while filming 'An Unfinished Affair,' a made-for-TV movie. The couple married on January 20, 2001 and now have three daughters together.

Getty Images

Michael C. Hall and Jennifer Carpenter, who play brother and sister on the crime drama 'Dexter,' dated quietly for about a year and a half before they eloped on Dec. 31, 2008.

Frazer Harrison, Getty Images

Mark Valley (L) and Anna Torv met on the set of 'Fringe' while playing on-set lovers. The couple quietly got married during the holidays in 2008 and kept their marriage a secret from the entire cast and crew of 'Fringe' for weeks.

Mark Ben Holzberg, FOX

Ryan Gosling and Rachel McAdams have been dating on and off since they co-starred in 'The Notebook.' While Gosling announced their break-up in 2007, he says McAdams is still one of the "greatest loves of his life."

Melissa Moseley, New Line Productions

Amanda Seyfried and Dominic Cooper started dating on the set of 'Mamma Mia!' ... while Cooper was still technically with his high school sweetheart.

Matt Sayles, AP

Brad Pitt & Angelina Jolie fell in love on the set of 'Mr. & Mrs. Smith,' even though Pitt was still married to Jennifer Aniston at the time.

20th Century Fox