Albums:

2001 - Katy Hudson
2008 - One Of The Boys (Japan)
2009 - One Of The Boys (Platinum Australian Tour Edition)
2010 - Teenage Dream (Deluxe Edition Digipak - Dream On) 2CD

Other Studio Album:

2009 - The Matrix - The Matrix Feat. Katy Perry & Adam Longlands

EP's & Single's:

2007 - Ur So Gay (CD Single) EP
2008 - Hot N Cold (CD Maxi-Single)
2008 - I Kissed A Girl (Remixes) (CD Maxi-Single)
2009 - 3Oh!3 & Katy Perry - Starstrukk (CD Single)
2009 - Thinking Of You (CD Single) Promo
2009 - Waking Up in Vegas (CD Single)
2009 - Waking Up in Vegas (The Remixes) (CD Single)
2010 - California Gurls (CD Single)
2010 - Firework (Remixes) (CD Maxi-Single)
2010 - Teenage Dream (Remixes) (CD Single)
2010 - Timbaland With Katy Perry - If We Ever Meet Again (CD Single)
2011 - E.T. (The Remixes) (CD Maxi-Single)
2011 - Last Friday Night (T.G.I.F.) (Remixes 1) CD Single Promo
2011 - The One That Got Away (feat. B.o.B) (CD Single Promo) Digital
2011 - The One That Got Away (The Remixes) Digital Single

Live:

2009 - MTV Unplugged (Limited Edition) CD EP