Slime flows at Kids' Choice awards
The slime flowed fast and furious at the 25th annual Kids' Choice Awards - where even celebrities get doused in bucket loads of green gunk.
Host Will Smith opened the 25th annual Kids' Choice Awards in Los Angeles promising a record amount of slime, and, halfway through the show, he delivered.
Soon after the first rows of fans were covered in slime, so were actress Halle Berry and Glee star Chris Colfer.
"No-one is safe from the slime," screamed Smith. "You have to earn the slime! It's an honour."
Smith started the show with an elaborate, digitally-animated skydive from Nickelodeon's trademark airship. Smith was then hoisted from the rafters to the stage of the Galen Centre at the University of Southern California, where thousands of glow-stick waving fans cheered him on - including first lady Michelle Obama.
Mrs Obama later presented "the big help" award for charity work to Taylor Swift. Upon receiving the award, the pop star said: "I am freaking out."
"This is, like, the coolest award show ever," said Twilight star Kristen Stewart, accepting the award for favourite movie actress.
The awards are Nickelodeon's annual celebration for youngsters, and it is often the most-watched children's programme of the year in the US. More than 7.3 million watched last year's show.
This year, Nickelodeon badly needs the awards to continue to be such a success. In March, the Disney Channel beat Nickelodeon in average total daily viewers - a title Nickelodeon had held every month since 1995.
Winners are chosen from online voting. Selena Gomez won for both favourite TV actress and female singer. Adam Sandler took home the award for favourite movie actor, with Katy Perry - shortly after performing - snagging the award for favourite voice for an animated movie for Smurfs.