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"

Katy Perry - Ask Katy

Katy Perry - Ask Katy

Katy Perry - Making of “California Gurls” Music Video

Katy Perry - Making of “California Gurls” Music Video

Katy Perry talks "Teenage Dream"

"Teenage Dream" (Lyrics)

The YouTube Interview with Katy Perry

The YouTube Interview with Katy Perry

The Making of "California Gurls" (30 Minute Version)

The Making of "California Gurls" (30 Minute Version)