Just look at Tom Cruise and Katie Holmes letting loose in the photo above!
The star studded affair at the Sunset Tower Hotel brought unlikely stars together, from Sandra Bullock and Chris Evans to Elizabeth Olsen and Alexander Skarsgard. Check out more pictures from inside the party right here.
Also, take a look back at the 2011 Vanity Fair Oscars party. Who can forget the first carpet that Selena Gomez and Justin Bieber walked together?