Get 4 FREE Issues of PEOPLE
Kelly Clarkson! Adele! Katy Perry! See who got busy celebrating way into the night
Credit: Angela Weiss/WireImage
Updated: Monday Feb 11, 2013 | 10:00 AM EST
By: Kiran Hefa & Kate Hogan
More from PEOPLE
See More News
Click to view your favorites as they make their way down the red carpet
2 of 17
He's somebody everyone knows now! Gotye lends his signature to an already star-studded guitar during the Stand Up for a Cure Republic Records Grammy party in Hollywood.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.