Pixie Lott arrives looking glam at the 23rd Nickelodeon Kids' Choice Awards in Los Angeles.
The Jonas Brothers were all individually nominated for the best male actor award... but in the end the prize went to Dylan Sprouse.
Singer Katy Perry was blasted with slime as she presented the favourite movie actress trophy to Miley Cyrus.
Luckily for Miley, who was nominated for four awards, she was spared the gunge!
Justin Bieber sang his hit single Baby to the delight of screaming fans. Votes for the show's winners were cast by 115 million kids online.
Rihanna also performed her track Rude Boy on the night, with a stage full of robots!
America's first lady Michelle Obama won the ceremony's "Big Help" award for her "Let's Move" campaign to cut down on childhood obesity.
But there was still time for more slime! Here's host Kevin James getting covered...
... before EVERYONE on stage was splattered with the gloop!