The singer recently appeared as a cartoon version of herself in a special episode of 'The Simpsons' and admits it's an experience she will never forget.
"I was more nervous than I have ever been because I am such a fan of the show and everyone on it is so talented," a website quoted Gaga as saying.
"At times they made fun of me and I made fun of them, but that's how I am professionally anyway so that was fine," said the 26-year-old.
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