Ryan Gosling and Eva Mendes

A post shared by Reliz (@relizstyle) on Jul 20, 2017 at 3:49pm PDT

The notoriously private pair met while playing boyfriend and girlfriend in The Place Beyond the Pines in 2011. They have two daughters together named Esmeralda and Amada.

Blake Lively and Ryan Reynolds

A post shared by Blake Lively (@blakelively) on May 24, 2018 at 3:14pm PDT

Blake and Ryan met on the set of Green Lantern, though Blake was dating Penn Badgley and Ryan was married to Scarlett Johansson. They didn’t start dating until they were both single and got married in 2012. They have two daughters, Ines and James.

Mila Kunis and Ashton Kutcher

A post shared by ZOLA (@zola) on Feb 10, 2017 at 12:46pm PST

At 14, Mila bluffed her way onto the set of That 70’s Show, saying she was 18, and her first kiss was with co-star Ashton. When the show ended in 2006, both actors were in relationships with other people, but reunited in 2012. They now have two children together, Dimitri and Portwood.

Daniel Craig and Rachel Weisz

A post shared by Rachel Weisz (@rachelweisz1) on Mar 2, 2017 at 7:23am PST

Daniel and Rachel had been friends for many years, and fell in love while working on the film Dream House. They began dating in December 2010 and married on 22 June 2011, in a private New York City ceremony, attended by Daniel’s 18-year-old daughter Ella and Rachel's 5-year-old son Henry.

Javier Bardem and Penelope Cruz

A post shared by Vestiaire Collective (@vestiaireco) on Feb 14, 2016 at 6:10am PST

Javier and Penelope co-starred in Jamon, Penelope’s first breakthrough role. They also co-starred in Vicky Cristina Barcelona. They started dating in 2007 and they married in early July 2010 in a private ceremony at a friend's home in the Bahamas. They have two children, Luna and Leo.

Sarah Michelle Gellar & Freddie Prinze Jr.

A post shared by buffy the vampire slayer (@buffybuffybuffy) on Apr 18, 2017 at 2:30pm PDT

Sarah and Freddie met while they were filming the 1997 teen horror film I Know What You Did Last Summer, but only started dating three years later. They were engaged in April 2001 and married in Mexico on September 1, 2002. They have played each other’s love interests in films several times, including Fred and Daphne in Scooby-Doo. They have two children, Charlotte and Rocky.

Hugh Dancy and Claire Danes

A post shared by Hugh Dancy (@thehughdancy) on May 1, 2017 at 6:52am PDT

Hugh and Claire met on the set of Evening in Newport, Rhode Island, and they began dating. They announced their engagement in February 2009, and married in France that same year. Three years later, they welcomed their son, Cyrus.

Jennifer Aniston and Justin Theroux

A post shared by JENNIFER ANISTON 💫 (@jennanistonqueen) on Aug 5, 2016 at 9:18am PDT

After enduring years of tabloid gossip of whether she was still bitter about Brad, Jennifer and Justin fell in love on the set of the comedy Wanderlust in 2011. They got married in 2015.