That's a wrap on the Nickelodeon Kids' Choice Awards! Hollywood's most playful award show kicked off at the Galen Center in LA on Saturday, drawing stars to the red carpet and stage. Host Mark Wahlberg got the crowd amped when the show started, and Selena Gomez stole the spotlight when she won the favorite female singer award. Plenty of stars were slimed in front of the cameras, including Kaley Cuoco and Pharrell Williams, who had luckily already taken off his signature hat. Meanwhile, Lea Michele and LL Cool J couldn't help but laugh amid the spirited shenanigans. Keep reading to see all the Nickelodeon fun unfold!