Katy Perry performing live on Muchmusic's 'Live @ Much' promoting her latest album 'Teenage Dream' i

Katy Perry performing live on Muchmusic's 'Live @ Much' promoting her latest album 'Teenage Dream' i

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry Wants Rihanna To Strip

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry at the 2010 MuchMusic Video Awards in Toronto, Canada - (06/20/10).

Katy Perry Yummy Yummy Paris Doll