Look out Springfield, there's a mama monster on the scene.

This Sunday night during the season finale of The Simpsons, Lady Gaga will morph into a cartoon character!

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She told Entertainment Tonight, “I’ve always been a huge fan of The Simpsons. I was really excited and surprised and have been itching to do some TV again. It was such an incredible script. It’s so funny."

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The episode sounds tailor-made for Gaga since it's titled "Lisa Goes Gaga." Apparently the singer befriends Lisa Simpson to pull her out of a rut. Lady Gaga isn't the only celeb to guest star on The Simpsons.  Anne Hathaway, Natalie Portman, Katy Perry, and Sting are among the countless stars to have appeared on the hit series.

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