Berlin to London to Paris to Marcielles Webisode

Germany

Germany

Cologne Show Highlights

MTV Invites Katy to Host their Europe Music Awards...

MTV Invites Katy to Host their Europe Music Awards...

Katy Perry - Hot N Cold (Official Music Video)

Katy Perry - Hot N Cold (Official Music Video)

Katy Perry - YouTube Live

Katy Perry - YouTube Live

Katy Perry - Thinking Of You (Official)

Katy Perry - Waking Up In Vegas (Official)

Katy Perry - California Gurls ft. Snoop (Lyric Video)

Katy Perry - California Gurls ft. Snoop (Lyric Video)

Katy Perry - The CW Sizzle Reel

Katy Perry - The CW Sizzle Reel

Katy Perry - California Gurls (Official Music Video) ft. Snoop Dogg

Katy Perry - California Gurls (Official Music Video) ft. Snoop Dogg

Katy Perry talks "California Gurls"

Katy Perry talks "California Gurls"