22. Robert Downey Jr., Susan Downey and Together since 2005
Hollywood is a place where celebrities often start dating after they spend some time together on the set. Susan and Robert’s story is similar. In 2003, they bumped into one another on the set of Gothika. Downey portrayed Pete Graham in the film while Susan played the producer.The movie brought them together and took their careers to the next level. After a 2-year engagement, the couple married in 2005. In 2012, they welcomed their son Exton to complete their family. They welcomed their daughter Avri in 2014.Susan decided to remain by Robert’s side despite the fact that Robert had a tumultuous past. She never left Robert, even when he was on the verge of a relapse. The two have grown together over the years and continue to do so. They are one of Hollywood’s most popular couples.