Now That's What I Call Music! 21 (U.S. series)

Now That's What I Call Music! 21 was released on April 4, 2006. The album is the twenty-first edition of the (U.S.) Now series. It peaked at number 1, 3 and 4 on the Billboard 200 and has been certified 2x Platinum by the RIAA. The compilation includes three songs which reached the Billboard Hot 100: "Don't Forget About Us", "Grillz" and "Run It!".

Now That's What I Call Music! 21
Compilation album by various artists
Released	April 4, 2006
Length	1 hour, 12 minutes
Label	UMG
Series chronology
Now That's What I Call Music! 20(2005) Now That's What I Call Music! 21(2006) Now That's What I Call Music! 22(2006)

Professional ratings

Review scores
Source	Rating
AllMusic

The cover is inspired by the NOW 62 UK cover released in 2005.

Track listing

No.	Title	Artist	Length
1.	"Don't Forget About Us"	Mariah Carey	3:53
2.	"Stickwitu"	The Pussycat Dolls	3:28
3.	"Grillz"	Nelly feat. Paul Wall and Ali & Gipp	4:30
4.	"Run It!"	Chris Brown	3:12
5.	"My Humps"	The Black Eyed Peas	3:43
6.	"If It's Lovin' That You Want"	Rihanna	3:26
7.	"Fresh AZIMIZ"	Bow Wow feat. J-Kwon and Jermaine Dupri	3:48
8.	"Lean wit It, Rock wit It"	Dem Franchize Boyz feat. Peanut and Charlay	3:48
9.	"Stay Fly"	Three 6 Mafia feat. Young Buck and Eightball & MJG	3:35
10.	"I'm Sprung"	T-Pain	3:05
11.	"One Wish"	Ray J	3:57
12.	"Because of You"	Kelly Clarkson	3:39
13.	"Unwritten"	Natasha Bedingfield	3:51
14.	"Photograph"	Nickelback	3:51
15.	"Dirty Little Secret"	The All-American Rejects	3:13
16.	"Dance, Dance"	Fall Out Boy	2:59
17.	"Who I am Hates Who I've Been"	Relient K	3:52
18.	"Dare"	Gorillaz	3:31
19.	"Honky Tonk Badonkadonk"	Trace Adkins	3:59
20.	"Everytime We Touch"	Cascada	3:17