Kids' Choice Awards

LOS ANGELES, CA - MARCH 31: Singer Justin Bieber (L) and host Will Smith get slimed at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/KCA2012/Getty Images for KCA)

LOS ANGELES, CA - MARCH 31: Musician Taylor Swift at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/KCA2012/Getty Images for KCA)

Actor Chris Colfer (R) and model Heidi Klum are slimed on stage at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: Actres Kristin Stewart accepts her award for Favorite Movie Actress onstage at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

Actor Robert Downey Jr. announces the Favorite Buttkicker award at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: Actor Taylor Lautner gets slimed at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/KCA2012/Getty Images for KCA)

Host Will Smith performs at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: Actress Halle Berry gets slimed at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/KCA2012/Getty Images for KCA)

LOS ANGELES, CA - MARCH 31: Singer Katy Perry onstage at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

U.S. first lady Michelle Obama smiles on stage at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT POLITICS)

Singer Nicki Minaj greets fans on stage at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Music recording artist Cee Lo Green is pictured after a skit at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: Actress Selena Gomez attends Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

LOS ANGELES, CA - MARCH 31: Actors Emma Stone and Andrew Garfield backstage at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/KCA2012/Getty Images for KCA)

Actress Jada Pinkett-Smith (L) arrives with her daughter Willow (C) and son Jaden at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: (L-R) Actors Ariel Winter, Nolan Gould and Sarah Hyland backstage at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Alberto E. Rodriguez/KCA2012/Getty Images for KCA)

Actress Kelly Osbourne poses at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)

Members of the pop boy band Big Time Rush (L-R) Kendall Schmidt, Logan Henderson, James Maslow, and Carlos Pena pose as they arrive at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)

Actress Victoria Justice poses as she arrives at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)

Actress Ashley Tisdale arrives at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)

LOS ANGELES, CA - MARCH 31: Singer Katy Perry attends Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

LOS ANGELES, CA - MARCH 31: Musician Travis Barker (C) and children attend Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

LOS ANGELES, CA - MARCH 31: Singer Cody Simpson attends Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

LOS ANGELES, CA - MARCH 31: Actress Jennie Garth (R) and daughter Luca Bella Facinelli arrives at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for KCA)