Teenage Dream With Me and Katy Perry

Katy Perry Concert Candy - UK Tour

Katy Perry's festive gig left by fans

Le teenage dream de Katy Perry

Katy Perry chante son tube "Teenage Dream" en live

Katy Perry with a surprise guest...LOL

Katy Perry performs Live ROAR on Saturday Night Live 10122013

Katy Perry and John Mayer with Rihanna

GMA Katy Perry Announces Roar with Katy Perry Contest

Katy Perry - California Girls ( MTV World Stage 2010)

Katy Perry planning tour of the UK's 'nooks and crannies'

Katy Perry Wide Awake The Complete Confection

North West Joins Katy Perry On Stage At Katy Perry’s Las Vegas Show

The Rolling Stones Katy Perry Beast Of Burden

Katy Perry Falls in Cake

Katy Perry performs Live Walking on Air on SNL 10122013

Katy Perry: My family are my focus group

Katy Perry spilled her Christmas plans on Katy Perry: Night of a Lifetime

Sophia Grace and Rosie Sing Teenage Dream Cover

Darren Criss & the Dalton Warblers ft. Katy Perry - Teenage Dream

Katy Perry - Shooting GQ US

Katy Perry Visits Sick Fan Who Missed Concert Because Of Brain Surgery

Katy Perry - The One That Got Away (Radio Edit)

Katy Perry At Drag Show In Lisbon

Katy Perry - Jocks

Katy Perry - 'I Am Not Beyonce!'