Katy Perry Live on Letterman!
Wednesday 10:59 PM, 25/08/2010
Katy Perry went on the Late Show with David Letterman last night and we have to say, we prefer her singing to her interviewing skills! She was kind of funny in parts but mostly, she was a bit annoying really. She made up for it with a cool version of her new song, the title track for her album "Teenage Dream" that hit yesterday. Take a look: