Katy Perry
One of the Boys
Pop, Rock

Top 10 disc harbors the No. 1 hit “I Kissed a Girl”

Jennifer Lopez
J.Lo
Pop, R&B

Disc debuted at number 1. “Love Don’t Cost a Thing” was a Top-5 single.

Green Day
American Idiot
Pop, Punk, Rock

This rock opera of sorts (some cuts contain multiple “movements”) hit No. 1 its first week.

Lifehouse
Stanley Climbfall
Christian/Gospel, Pop, Rock
Leona Lewis
Spirit
Pop

Album occupied the No. 1 slot. “Bleeding Love” became a No. 1 single.

B2K
Pandemonium!
Pop, R&B

This million-selling, Top-10 CD features the hit R&B single “Girlfriend.”

B*witched
B*witched
Pop
Jessica Andrews
Who I Am
Country, Pop

A number-2 country disc which boasted a number-1 country singles hit.

KT Tunstall
Drastic Fantastic
Folk, Pop, Rock

Entered the pop chart at No. 9

The All-American Rejects
When the World Comes Down
Pop, Punk

Peaked at 15. “Gives You H—” became a Top 40 single.

The Corrs
In Blue
Pop, Rock

Album peaked at 21

The Black Eyed Peas
The E.N.D.
EDM/Electronica/Techno, Pop, Rap/Hip-Hop

The L.A.-based band’s fifth studio album is its first to debut at No. 1, with first-week sales of 304,000 units. …

Eamon
I Don’t Want You Back
Pop, Rap/Hip-Hop

Peaked at 7 and went gold (500,000 sold). Repeated obscenities didn’t keep “F— It (I Don’t Want You Back)” from …

Avril Lavigne
The Best D–n Thing
Pop, Rock

Disc debuted at No. 1. The hit single “Girlfriend” cracked the Top 5.

Jessica Simpson
Irresistible
Pop

Chart Action: Disc debuted at number 6. The title track cracked the Top 20.