From one slinky plus-one to major costume drama, see how Demi Lovato, Katy Perry and more upped the fun factor
Credit: Christopher Polk/Getty
Updated: Sunday Aug 28, 2011 | 10:00 PM EDT
By: Kiran Hefa
More from PEOPLE
See More News
Don't know your Iggy from your Avicii? We're here to help
3 of 9
While serving as a co-host of the VMA pre-show, Gomez gets surprised with an embrace and a sweet smooch from her beau as she wraps up their interview.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL