It's lonely at the top, but not if you have an awesome roomie to keep you company! Did you know these 9 sets of stars all lived together at some point?
1. Robert Downey Jr. & Kiefer Sutherland
These two childhood friends shared an apartment in LA for three years before starring in film 1969 together in 1988.
2. Ben Affleck & Matt Damon
These two actors have a world-famous friendship, but did you know they shared living quarters while writing the screenplay for Goodwill Hunting?
3. Lindsay Lohan & Raven Symone
Raven and LiLo met at a photoshoot and decided to have a "roommate experience" without the annoying college part. Lindsay dropped her stuff off and paid the rent, but Symone said she never actually moved in!
4. Justin Timberlake & Ryan Gosling
These boys both got famous in the Mickey Mouse Club, and when Gosling's mom had to move away for work, Gosling bunked with JT for six whole months!
5. Danny DeVito & Michael Douglas
The future stars shared an apartment in NYC back in the '60s. Douglas reminisced: "Well, it was a magical time. You put a sock on the door."
6. Robin Williams & Christopher Reeve
These legends first bonded while rooming together at Juilliard School Of Drama, and remained close throughout their lives.
7. Jeremy Piven & John Cusack
Piven and Cusack grew up side by side in Illinois, and split an apartment in Chicago before starring in Say Anything, The Grifters, and Grosse Pointe Blank together.
8. Chace Crawford & Ed Westwick
The boys of Gossip Girl became fast friends while filming on the show, and briefly co-habited in an apartment in Chelsea while the show was still being made.
9. Adam Sandler & Judd Apatow
Before hitting the big tame, Sandler and Apatow shared a little apartment in San Fernando Valley. Apatow described his roomie as "the comfortable naked guy at the gym."