This was a different kind of teenage dream.

On Sunday, Katy Perry got to relive high school by getting into a food fight at the Chocotopia museum in Prague.

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In the photos and videos, Perry gets decked out in a white clean suit with plastic goggles. She then filled pies with whipped cream before throwing them with her friends in a closed room.

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In the final photo from the chaos, Perry smiles and gives a thumbs-up as her face is covered in whipped cream.

The singer’s “American Idol” co-star Lionel Richie seemed confused by the whole thing, commenting on the post, “What’s going on here … ?”