Kristen Stewart
The Twilight highlight is slingin' the blues on the purple carpet.
Katy Perry
A longtime Kids' Choice favorite for kids of all ages, the "Firework" singer shows off her assets.
Johnny Depp
Kids' Choice fave, heck, everybody's fave, gets his Tonto groove on.
Sandra Bulllock & Neil Patrick Harris
America's slimeheart? Sandy and NPH invest in green energy for Nickelodeon.
Christina Aguilera & Pitbull
The "Feel This Moment" duo do it live on the show.
Katy Perry, Kristen Stewart, Selena Gomez
Girl-power sandwich! The gorgeous trio hugs it out backstage at the underage crowd's big night.
Josh Duhamel
Who is that sexy nerd?
Fergie
Is she getting slimed for two? The pregnant pop star looks ready for whatever comes in her multcolored mommy-friendly number.
Selena Gomez, Katy Perry, Fergie
A trio of pop stars and one little passenger.
Jaden Smith
What a tramp! Young Mr. Smith gots to bounce.
Jessica Alba
The hot Hollywood mom gets all dolled up for the kids.
Kesha
The "Tik Tok" dandy gets all dolled up in pale blue for the awards show, where she'll be one of the musical performers.
Gabby Douglas
Tonight, the Olympic gymnastics star doesn't go for the gold, prefering a pretty orange dress.
Selena Gomez
The Spring Breakers star clearly doesn't need a bikini to be adorable.
Victoria Justice
The Zooey 101 and Victorious star looks every bit the winner.
Christina Aguilera
Slime unto others as you would have them slime onto you.
Ashley Tisdale
The former Disney darling visits planet Nickelodeon and seems to be adapting very well.
Kristen Wiig
The funnylady dials down her wardrobe, which isn't a bad idea in an area where gallons of green goo have been known to drop from the sky.
Khloé Kardashian Odom
The reality star signs autographs and pals around with fans on the carpet.
Miranda Cosgrove
The iCarly star is a sweet bit of eye-candy at her network's annual bash for teens and tweens.
Kylie Jenner
The junior Kardashian walks the carpet for her age group before a big night of sliming in Los Angeles.
Judd Apatow, Iris Apatow & Maude Apatow
The producer-director brings his girls to the big show.
Kesha & Louis Sebert
A cane-do couple. The singer and her dress-alike little bro' get kinda gangsta (NOT).
Caroline Sunshine
The Shake It Up star is, well, beaming at the annual Nickelodeon Kids' fete.