1Ben Afleck and Ana de Armas
BG004/Bauer-Griffin/GettyBen and Ana play a married couple in thriller Deep Water, based on the 1957 Patricia Highsmith novel, with Ben’s character Vic becoming the prime suspect in the disappearance of his wife’s lovers. Shortly after filming wrapped in March this year, Ben and Ana were spotted looking very cosy together in Cuba. The following month they hit their first major relationship milestone - they made things Instagram official.
2Kit Harington and Rose Leslie
Getty ImagesKit and Rose met on HBO's Game of Thrones in 2012, playing on-screen lovers Jon Snow and wildling Ygritte. "If you're already attracted to someone, and then they play your love interest in the show, it's becomes very easy to fall in love," Kit said about falling for Rose.
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3Blake Lively and Penn Badgley
Blake and Penn fell for each other in 2007 while playing Gossip Girl paramours Serena van der Woodsen and Dan Humphrey. In real life, they broke up in 2010, but Serena and Dan tied the knot in the show's series finale.
4Blake Lively and Ryan Reynolds
Though they didn't start dating till late 2011, Blake and Ryan met while filming Green Lantern in 2010. They married in 2012 and are parents to three children.
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5Channing Tatum and Jenna Dewan Tatum
The dancing king and queen met in 2006 while filming Step Up, a true masterpiece of the dance movie genre. They married in 2009, and had a daughter, Everly, in 2013. They sadly split in April 2018.
6Rachel Bilson and Adam Brody
Serialised teen dramas are a great place to meet romantic partners, because everyone on them is super-attractive. Rachel and Adam met while filming The O.C. in 2003 but broke up three years later. Their characters, however, found forever love, and like Serena and Dan on Gossip Girl, married in the series finale.
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7Adam Brody and Leighton Meester
These two teen drama alums met on the set of The Oranges in 2011, married in 2014, and had their first child, Arlo, in 2015, and welcomed their second child in 2000. They seem blissfully uninterested in the fact that they're the living embodiment of Blair Waldorf/Seth Cohen fan fiction.
8Rachel Bilson and Hayden Christensen
Rachel and Hayden met in 2008 on the set of action movie Jumper, and after dating off and on for several years, welcomed a daughter named Briar Rose in 2014. They split in 2017.
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9Brad Pitt and Gwyneth Paltrow
After meeting on the set of Se7en, Brad and Gywneth dated for a few years and even got engaged, but they called it off in 1997 because Gwyn didn't feel ready. Their matching haircuts were just too perfect to last.
10Angelina Jolie and Billy Bob Thornton
These two vial-of-blood-loving lovers met on the set of 1999's Pushing Tin but didn't start dating till 2000. They married after two months and divorced in 2003 after plenty of red-carpet antics. Angelina later covered her unbelievably '90s Billy Bob dragon tattoo with the latitude and longitude coordinates for each of her children's birthplaces.
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11Brad Pitt and Angelina Jolie
Ah, yes, the mother of all set meetings. Brangelina met while filming Mr. and Mrs. Smith in 2004, but Brad was still married to Jennifer Aniston at the time. After Brad and Jen finalised their divorce in 2005, Brad adopted Angelina's children, and they also welcomed Shiloh, Vivienne and Knox. They married in 2014, but split in September 2016.
12Jennifer Aniston and Vince Vaughn
After her divorce from the aforementioned Brad Pitt, Jennifer started dating Vince Vaughn while they filmed The Break-Up together in 2005. Their own breakup happened in 2006.
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13Jennifer Aniston and Justin Theroux
Jennifer met her future husband Justin while filming Wanderlust in 2011. They married in 2015 at a top-secret ceremony at their home, but split three years later in February 2018.
14Ben Affleck and Jennifer Lopez
The original Bennifer met while filming the notorious box-office bomb Gigli in 2002. They called off their engagement in 2004, but we'll always have the video for "Jenny From the Block."
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15Ben Affleck and Jennifer Garner
Bennifer 2 met while filming 2003's Daredevil but didn't start dating until 2004 after the demise of Bennifer 1. They announced their split in 2015 after 10 years of marriage and have three children together.
16Milo Ventimiglia and Alexis Bledel
Milo and Alexis met while filming Gilmore Girls and started dating in 2002. Alexis once told People that they had discussed marriage, but they broke up in 2006.
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17Milo Ventimiglia and Hayden Panettiere
After meeting on the set of Heroes, Milo and Hayden kept their relationship on the DL before going public in 2007. They split in 2009.
18Alexis Bledel and Vincent Kartheiser
Alexis and Vincent met in 2012 when she guest-starred on Mad Men as Beth Dawes, who had an affair with Vincent's character Pete Campbell. It didn't work out for Beth and Pete, but Alexis and Vincent got married in 2014 and had a son the following year.
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19Stephen Moyer and Anna Paquin
These two lovebirds met on the set of everyone's favourite vampire sex show, True Blood. Stephen's character Bill Compton — spoiler alert — died in the series finale and Sookie ended up with someone else, but Anna and Stephen married in 2010. They're doing parents to twins, Poppy and Charlie.
20Natalie Portman and Benjamin Millepied
Benjamin worked as the choreographer on Black Swan, in which Natalie played a ballerina on the verge of a nervous breakdown (and won an Oscar for her troubles). They had a son in 2011 and married in 2012.
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