Photo SpecialKids' Choice Awards All-Stars!
Rihanna! Katy Perry! Jonas Brothers! See who blew kisses and who got slimed at Nickelodeon's big night in L.A.
Credit: Tammie Arroyo/AFF-USA
Updated: Monday Mar 29, 2010 | 01:30 PM EDT
More from PEOPLE
- Mila Kunis Displays Her Baby Bump at Bad Moms Premiere
- Read the Cover Story: JFK Jr.: The John We Loved
- Khloé Kardashian Reveals She 'Hated' Doing Celebrity Apprentice, Says Donald Trump 'Would Not Make a Good President'
- Meryl Streep Gives Powerful Speech as Hillary Clinton Trumps Donald in Convention Star Power
- Ellen Pompeo Reveals Her Age Was the Reason She Stayed on Grey's Anatomy: 'I Knew My Clock Was Ticking in Hollywood'