Kristen Stewart & Rupert Sanders
The duo met while shooting Snow White and the Huntsman and were caught canoodling in L.A. just a month after the flick hit theaters, much to the chagrin of the actress' Breaking Dawn beau Robert Pattinson and the director's wife model Liberty Ross.
Milla Jovovich & Paul W. S. Anderson
This pair began their romance in 2002 on the set of Resident Evil. 10 years later, they've been married for three years and have a daughter named Ever.
Madonna & Guy Ritchie
The "Vogue" singer and her man were introduced in 1999 through mutual friends Sting and his wife Trudie Styler. They married a year later and in 2002 he cast her in his film Swept Away. They divorced in 2008.
Kate Winslet & Sam Mendes
This couple married in May of 2003, five years before working together on the film Revolutionary Road in 2008. They have one son together, Joe Alfie, and divorced in 2010.
Helena Bonham Carter & Tim Burton
Since meeting while making Planet of the Apes back in 2001, Carter has acted in every single one of her director dude's films since. However, the kooky couple has never married.
Rachel Weisz & Darren Aronofsky
These two enjoyed a nine year relationship before splitting up in 2010. Although they did not meet on a movie set, Weisz acted in her man's 2006 sci-fi film The Fountain.
Kate Capshaw & Steven Spielberg
Their hearts were in store for a wild ride while filming 1984's Indiana Jones and the Temple of Doom. This duo has since been married a whopping 21 years! That's a millennium in Hollywood.
Diane Keaton & Woody Allen
In 1970, Allen cast Keaton in his Broadway show, Play It Again, Sam. Although their love only lasted a year, they continued making movies together, including hit films like Annie Hall and Manhattan.
Kate Beckinsale & Len Wiseman
It was a whirlwind of emotion between these two while making Underworld in 2003. The lovebirds married a year later in Bel Air, Calif., and have since made three more Underworld flicks together.
Linda Hamilton & James Cameron
Although they met making 1984's The Terminator, they waited until filming the sequel in 1991 to begin their eight year love affair, which had a not-so-happy ending—the pair divorced in 1999.
Leslie Mann & Judd Apatow
Mann met her man on the set of The Cable Guy, which Apatow produced, in 1996. She's since been directed by her hubby in a handful of films including The 40-Year-Old Virgin, Knocked Up and Funny People. The lovebirds have two daughters.
Geena Davis & Renny Harlin
Davis was married to Harlin, who directed her in Cutthroat Island and The Long Kiss Goodnight, from 1993 to 1998.
Frances McDormand & Joel Coen
This actress has starred in six of her man's movies, including Burn After Reading and Fargo, which won her an Oscar. They met on his film Blood Simple in 1984 and have been married ever since! That's 28 years, people!
Suzy Amis & James Cameron
Cameron began dating the Titanic starlet right after his split from Hamilton in 1999. The two have been successfully married since 2000. They have three children, Claire, Quinn, and Elizabeth Rose.
Jane Fonda & Roger Vadim
The Barbarella bombshell married the French director in 1965. They had one daughter together before going their separate ways in 1973.
Mia Farrow & Woody Allen
Farrow has been in over a dozen of Allen's films. They began their relationship in 1980 and separated in 1992 without ever getting married.
Nancy Allen & Brian De Palma
This twosome was married from 1979 to 1983. They worked on several films together including 1980's Dressed to Kill and 1981's Blow Out.