(Reviews are listed in alphabetical order by artist/band's first name)
Kainos: Alive
Kanye West: Graduation
Katelyn Tarver: Wonderful Crazy
Kate Voegele: A Fine Mess
Kate Voegele: A Fine Mess (Deluxe Edition)
Katharine McPhee: Katharine McPhee
Katharine McPhee: Unbroken
Katy Perry: One of the Boys
Katy Perry: Teenage Dream
Kelly Clarkson: All I ever wanted
Kelly Clarkson: Breakaway
Kelly Clarkson: My December
The Killers: Sam's Town
Kris Allen: Kris Allen
Kristinia DeBarge: Exposed