Stream Katy Perry in concert, LIVE on Letterman!
From the stage of the historic Ed Sullivan Theater, two-time Grammy nominee Katy performs a few of her biggest hits, as well as new songs from her eagerly anticipated second album, "Teenage Dream". <br><br><a href="http://www.cbs.com/late_night/liveonletterman/katy_perry/video/">Watch it LIVE 10am Guam time!</a>
August 24, 2010Updated: August 24, 2010
By KUAM News
By KUAM NewsFrom the stage of the historic Ed Sullivan Theater, two-time Grammy nominee Katy performs a few of her biggest hits, as well as new songs from her eagerly anticipated second album, "Teenage Dream".