Watch Katy Perry's Live Concert Tonight!

By Doug Lazy on August 24, 2010

Tonight is the night we’ve all been waiting for! Not only does Katy Perry’s album Teenage Dream drop, but Katy is also performing a free streaming concert for all her fans. Be sure to watch the Live on Letterman streaming show (5pm PT/8pm ET) for an hour of new and classic songs from the pop goddess.

To prep for the amazing night, check out this great video.  Then be sure go to Live on Letterman at 5PT/8pm ET to watch the show.  Then Tweet your thoughts using #KatyPerryLOL.    This epic concert is sponsored by CBS and AT&T

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