Sure, the Oscars, the Grammys, and the Golden Globes have prestige on their side. One thing they don't have? Green slime!

"There's nothing like the Kids' Choice Awards," Kim Kardashian has said of the beloved program. "It's all about the kids."

Why is Brad Pitt counting down to the big day? "It's the most irreverent award show all year," the Moneyball actor shares. "I didn't know what to expect. This thing is insane!"

This year, Hollywood's messiest awards show returns on March 31, and it'll be celebrating a very special milestone: the big 2-5!

In honor of a quarter century of stars, silliness, and, of course, slime, take a look back as some of your favorite celebs (including Justin Timberlake, Kim Kardashian, Cameron Diaz, and Brad Pitt)--get covered in green goo.