Host Jack Black poses on stage during the 2008 Kids' Choice awards on March 29, 2008. The show was broadcast live on Nickelodeon.
Jack Black "plays" the congas during the opening number of the 2008 Kids' Choice awards on March 29, 2008. Black said more than 88 million votes were logged on Nickelodeon's Web site for this year's prizes.
Jessica Alba accepts the evening's first award, Favorite Female Movie Star, at the Kids' Choice awards on March 29, 2008. Alba said she wore a green dress in honor of the network's trademark green slime. She is expecting her first child in late spring or early summer.
Miley Cyrus performs her song "G.N.O.: Girl's Night Out" at the Kids' Choice Awards in Los Angeles on March 29, 2008. This is the 21st year of the awards.
Ashton Kutcher, left, presents the "wannabe" award to Cameron Diaz at the Kids' Choice Awards on March 29, 2008. The award goes to the person kids would most like to emulate.
Ashlee Simpson, center, and Pete Wentz, right, announce the winner of Favorite Reality Show with the help of an opera singer. The award went to "American Idol." Accepting the award, show host Ryan Seacrest said, "I'll share this with two out of three judges" in a dig at his nemesis, Simon Cowell.
America Ferrera, left, and Emile Hirsch present the award for Favorite Music Group to the Jonas Brothers during the 21st Annual Kids' Choice Awards in Los Angeles, on Saturday, March 29, 2008.
Actors Hayden Panettiere and James Marsden announce the award for Favorite Female Singer at the 21st Annual Kids' Choice Awards in Los Angeles on March 29, 2008.
Miley Cyrus performs at the Kids' Choice Awards in Los Angeles on March 29, 2008. She won Favorite Female Singer and Favorite Female TV Star at the awards.
Jack Black, left, and Orlando Bloom prepare to be slimed at the conclusion of the 2008 Kids' Choice Awards on March 29, 2008.
Orlando Bloom feels the impact of gallons of slime. The show aired live on Nickelodeon at the Kids' Choice Awards in Los Angeles on March 29, 2008.
Actor Will Smith and his son Jaden greet fans before introducing Miley Cyrus' performance at the Kids' Choice Awards in Los Angeles on March 29, 2008.
Actor Harrison Ford gets slimed while announcing the award for Favorite Voice from an Animated Movie at the 21st annual Kids' Choice Awards. The award went to Eddie Murphy for "Shrek."
Chris Brown accepts his award for Favorite Male Singer at the 21st annual Kids' Choice Awards in Los Angeles on March 29, 2008.
Josh Peck, left, and Drake Bell accept the award for Favorite TV Show for "Drake & Josh" at the 21st annual Kids' Choice Awards in Los Angeles on March 29, 2008. Bell also won for Favorite Male TV Star.
Amy Poehler and Steve Carell announce the Kids' Choice award for Favorite Movie (the name was printed on Carell's boxers).
Nat Wolff of the Naked Brothers band performs at the 21st annual Kids' Choice Awards in Los Angeles, March 29, 2008.
Actor Jason Lee accepts the award for Favorite Movie for "Alvin and the Chipmunks" during the 21st Annual Kids' Choice Awards in Los Angeles, March 29, 2008.
The Jonas Brothers accept the award for Favorite Music Group during the 21st Annual Kids' Choice Awards in Los Angeles, March 29, 2008.
Jennifer Love Hewitt, right, and Devon Werkheiser present the Favorite Male Singer during the 21st Annual Kids' Choice Awards in Los Angeles, March 29, 2008.