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

Victoria Secret 2010 - Katy Perry - Teenage Dream, Hot N Cold, California Gurls

Darren Criss Live in Manila - Somewhere Over The Rainbow

Katy Perry - Making Of “Hey Hey Hey” Music Video

Katy Perry: Last Friday Night (T.G.I.F.) | movie | 2011 | Official Trailer

Darren Criss sings Teenage Dream

Katy Perry ft. Kanye West - E.T. [Trailer Official]

Katy Perry: Last Friday Night (T.G.I.F.) | movie | 2011 | Official Featurette

Katy Perry - Choir Surprise Despierta con Crystal Lewis (Witness World Wide)

William ft Britney Spears Scream Shout Full Song

Katy Perry Wide Awake The Complete Confection

Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video)

Katy Perry chante son tube "Teenage Dream" en live

Katy Perry ft. Kanye West - E.T. (Official Music Video)

Chris Brown - Party

Katy Perry - Rise (NBC Olympics official video)

Katy Perry - Firework

The X Factor UK 2013 The Final 11 sing Roar by Katy Perry Live Final Week 10

Katy Perry - Not Like The Movies & California Gurls HD

Katy Perry - LIFETIMES (Official Video)

Chris Brown ft. Jack Harlow - Psychic (Oficial Video)

Chris Brown Ft Brandy Put It Down Official Audio

Calvin Harris - Feels (Official Video) ft. Pharrell Williams, Katy Perry, Big Sean

Chris Brown - Look At Me Now ft. Busta Rhymes & Lil Wayne [ Official Music ] 2011

Saturday Night Live 2013 Katy Perry ROAR Live FULL PERFORMANCE

Beyoncé - Run The World (Girls) Live - X Factor France 2011