OSCAR PARTY TIME: Justin Bieber and Selena Kiss, Natalie Portman, 50 Cent and More (PHOTOS)

Last night the Academy honored the best of the best in Hollywood. But the real fun got started after the award show. The 2011 Vanity Fair Oscar Party, hosted by Graydon Carter at the Sunset Tower Hotel was where all the festivities took place. 

PHOTOS: GlobalGrind's Best Dressed @ The 2011 Spirit Awards

Selena Gomez and Justin Bieber kissed in the photo booth, 50 Cent rubbed shoulders with Jake Gyllenhaal, Reese Witherspoon looked in love with fiance Jim Toth, and Russell Simmons brought Hip-Pop to Hollywood.

PHOTOS: GlobalGrind's Best Dressed @ The 2011 Oscars

Everyone in Hollywood, including their mother, hi Madonna and Lordes, got together for the biggest party of the year. Check out what happened inside the 2011 Vanity Fair party.