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    Image: Nickelodeon's 26th Annual Kids' Choice Awards - Show

    Kids' Choice Awards 2013

    The green slime hit stars like Josh Duhamel, Kristen Stewart and Sandra Bullock at Nickelodeon's annual celebration.

  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Show

    Kids' Choice Awards 2013

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    Nick Cannon, Josh Duhamel

    TV personality Nick Cannon, left, and host Josh Duhamel are seriously slimed onstage during Nickelodeon's 26th Annual Kids' Choice Awards at USC Galen Center in Los Angeles on Saturday, March 23.

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  • Image: Actress Kristen Stewart arrives at the 2013 Kids Choice Awards in Los Angeles

    Kids' Choice Awards 2013

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    Kristen Stewart

    Actress Kristen Stewart arrives at the Kids' Choice Awards in Los Angeles on Saturday. The "Twilight" star won favorite movie actress and favorite female buttkicker for her "Snow White and the Huntsman" role.

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Roaming Show

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    Katy Perry, Selena Gomez

    Singer Katy Perry, left, and actress Selena Gomez, center, attend the Kids' Choice Awards. Perry won the favorite female singer award and Gomez won favorite TV actress.

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  • Image: Ke$ha

    Kids' Choice Awards 2013

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    Ke$ha

    Singer Ke$ha arrives at the Kids' Choice Awards in Los Angeles on Saturday.

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    Kids' Choice Awards 2013

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    Christina Aguilera, Pitbull

    Singer Christina Aguilera, left, and rapper Pitbull perform onstage at the Kids' Choice Awards.

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Arrivals

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    Selena Gomez

    Actress Selena Gomez, currently starring in the film "Spring Breakers," works the red carpet at the USC Galen Center.

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Roaming Show

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    Sandra Bullock, Neil Patrick Harris

    Actress Sandra Bullock, left, and actor Neil Patrick Harris are slimed during Nickelodeon's Kids' Choice Awards.

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Roaming Show

    Kids' Choice Awards 2013

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    Johnny Depp

    Actor Johnny Depp accepts the Kids' Choice Award for favorite movie actor for his role in "Dark Shadows."

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Backstage

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    Fergie, Selena Gomez, Katy Perry

    Black Eyed Peas singer Fergie, center, has her pregnant belly loved by actress Selena Gomez, left, and singer Katy Perry on Saturday.

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  • Image: Nickelodeon's 26th Annual Kids' Choice Awards - Show

    Kids' Choice Awards 2013

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    Dwayne Johnson

    Actor Dwayne Johnson accepts the favorite male buttkicker award for "Journey 2: The Mysterious Island" at the Kids' Choice Awards.

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  • Image: Racing driver Danica Patrick accepts the award for favorite female athlete at the 2013 Kids' Choice Awards in Los Angeles

    Kids' Choice Awards 2013

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    Danica Patrick

    Racing driver Danica Patrick accepts the award for favorite female athlete at the 2013 Kids' Choice Awards in Los Angeles.

    Reuters / Reuters