Former *NSYNC star Justin Timberlake, Aly & AJ, Drake Bell, Emma Roberts, No Doubt singer Gwen Stefani, Hayden Panettiere, Hilary Duff, Jamie Lynn Spears, Jesse McCartney, Jessica Alba, Katie Cassidy, Kristy Frank, Mandy Moore, Adam Levine of Maroon 5, Orlando Bloom, Paula Abdul, Vanessa Hudgens, and Zac Efron were on hand for Nickelodeon’s 20th Annual Kids’ Choice Awards on Saturday (March 31) at Pauley Pavilion in Westwood, California. Watch a report from ‘Good Day LA’ below. Check out pictures from FilmMagic (arrivals1 / arrivals2 / show / audience & backstage / afterparty), RexFeatures, GettyImages, Corbis, and WireImage.