With Rihanna rocking out, giant robots, and lots of star power, Nickelodeon’s 23rd Annual Kids’ Choice Awards was held Saturday at UCLA’s Pauley Pavillion, celebrating the best in television, movies, sports, arts and entertainment all voted on and selected by the young viewers of Nickelodeon. Selena Gomez added a hint of color to the Kids' Choice Awards red carpet by wearing a yellow Christian Cota frock, Sergio Rossi Girandola Bis gladiator sandals and Ippolita jewels.