NOW That's What I Call Music! 21
Now That's What I Call Music! 21 was released on April 4, 2006. The album is the 21st edition of the (U.S.) Now! series. The album peaked at number two on the Billboard 200 and has been certified Platinum. It features three Billboard Hot 100 number-one hits: "Don't Forget About Us", "Grillz" and "Run It!".