22 Famous Couples You Probably Didn't Realize Fell In Love On Set

What they worked on together: The TV series Parenthood — they played siblings Adam and Sarah Braverman.

The two first met way back in 1995 on set of Caroline in the City but they didn't start dating until starring on Parenthood together. Lauren told Good Housekeeping, that she had a rule about not dating any actor-types and tried to keep her relationship with Peter in the friend zone. She later admitted that their friendship evolved into a relationship. She said, "It was like, You like me, and I like you. It gave me an understanding of life: This is how things happen, and it's completely random."

What they worked on together: The TV series Orange is the New Black — Samira played Poussey and Lauren was a writer on the show.

Samira and Lauren met on set of Orange Is the New Black and in an interview with Bust Magazine, Samira shared that she actually fell in love with Lauren's mind before she even met her in person. She said, “I was really attracted to Lauren’s mind first before I met Lauren the person. I got her script and I was like: ‘This person’s really talented, I can’t wait to meet this person.'” At the time, Lauren was still married to a man and had only just discovered that she was a lesbian, so she and Samira started off their relationship as friends before blossoming into something more. They finally got married in 2017.

What they worked on together: The TV series It's Always Sunny in Philadelphia — Rob plays Mac and Kaitlin plays Dee.

Rob and Kaitlin actually started secretly dating during Season 2 of It's Always Sunny and the rest of the cast didn't know about their relationship until two seasons later. Kaitlin shared that originally, she wanted a serious relationship while Rob wanted to keep it casual, however Kaitlin was convinced she knew how he really felt way before he did.

What they worked on together:The Fresh Prince of Bel-Air... kinda — Jada auditioned to play Will's girlfriend on the show but she didn't end up getting the part.

They first met in 1994 on the The Fresh Prince of Bel-Air set and began dating soon after. They eventually got married in 1997. They have two kids, Jaden and Willow. In 2020, they also shared that they went through a brief separation in 2016, but have reconciled and are still together today.

What they worked on together: The TV series Law & Order: SVU — Mariska plays Olivia Benson and Peter played Trevor Langan.

Mariska and Peter first met during Season 2 of SVU and during their first date, Mariska admitted she was instantly drawn to him. She told InStyle, "I just about passed out when I saw him there. I thought, that's my husband." They got married in 2004.

What they worked on together: The TV series Game of Thrones — Kit played Jon Snow and Rose played Ygritte.

They were first rumored to be dating in 2012 after photos of them holding hands surfaced. Then, for years after, Kit denied a romantic relationship with Rose, while also admitting he's very private about his love life. At the 2016 Olivier Awards, they made their first public debut as a couple, and in 2018 they got married. They just had a baby together too!

What they worked on together: The 2008 movie Vicky Cristina Barcelona — they played exes Juan Antonio and María Elena.

They originally met in 1992 but didn't begin dating until 2007 when they reuinted for Vicky Cristina Barcelona. They were seen spotted together on numerous occasions, but didn't make an official public appearance until 2010 at the Goya Awards. They also got married in 2010 and have two kids together.

What they worked on together: The 2012 movie The Place Beyond the Pines — they played exes Luke and Romina.

They'd met years before The Place Beyond the Pines began filming, but officially started dating quietly while working on the movie together. They've remained private about their relationship throughout the years, however they sometimes will talk about each other in their family during interviews. Together they have two kids, Esmeralda and Amada.

What they worked on together: The 2013 movie In a World... — Tig played Cher and Stephanie played Nancy.

The two became fast friends after meeting on set. Stephanie shared that when she met Tig she still identified as straight. As she started to fall in love with Tig she eventually came to realize that even though she thought she was in love with her exes, she actually wasn't in love with them at all. She told Cosmo, "I was so into Tig and I was falling in love with her and I didn't know how to identify it because I thought I was straight." They finally got married in 2015.

What they worked on together: The TV series Fargo — they played husband and wife Peggy and Ed Blumquist.

They met and became friends while working together on Fargo but didn't officially start dating until a year and a half later. When reminiscing about their time working together Jesse told People, "I knew that she would be in my life for a long time." Together they have one son, Ennis.