Katy Perry Sings Hot and Cold With Sesame Street's Elmo: Katy Perry performed a version of her song Hot and Cold with Elmo on Sesame Street. (2010-09-20)

Katy Perry Slimed at 2010 Kids Choice Awards: Katy Perry tweeted before the Kids Choice Awards about how she did not want to be slimed. (2010-03-27)

Katy Perry's Waking Up in Vegas: Katy Perry's music video for her song Waking Up in Vegas in amazing. It features casinos, glitz, Elvis and more. (2009-05-02)