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Get out your fireworks!

Katy Perry revealed exclusively to E!'s Kelly Osbourne on the orange carpet for the 25th Annual Kids' Choice Awards Saturday that fans can expect to catch her upcoming 3D concert movie Katy Perry: Part of Me in theaters Fourth of July weekend. So appropriate for the "Firework" songstress.

The singer revealed: "My concert documentary is coming out Fourth of July weekend. Go and see it and be a firework!" The concert flick, complete in 3D, will offer fans a glimpse into Katy's life during her intense last year both on and offstage. 

The newly single songstress also joked that her decision to don a slime-green colored crop top and skirt was because: "I got slimed so hard it's actually still stained on me."

Speaking of her past slime-time experience at the 2010 Kids' Choice Awards, Katy laughed: "There are so many euphemisms I could play on right now, but Kids' Choice! It [was] very hardcore. I'll just say that five days later after I got slimed I was still picking out green slime out of my nose and my ears!"

Take a look at the interview above to hear more from Katy, like how she still feels like a kid today!