Katy Perry - Unconditionally (Official) Katy Perry - California Gurls ft. Snoop Dogg. Katy Perry - Hot N Cold. Katy Perry - Part Of Me. Katy Perry - Teenage Dream. Katy Perry - E.T. ft. Kanye West. Katy Perry - Last Friday Night (T.G.I.F.) Katy Perry - The One That Got Away. Katy Perry - Roar (Official) Katy Perry - Wide Awake. Katy Perry - Firework. Katy Perry - California Girls [clip officiel]