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Amanda Seyfried has been acting for decades, and after years in the industry, she's got some worthless stories to share.

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The actress, who appeared in hits like Jennifer's Body, Mean Girls and most recently, The Dropout, said

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Jennifer told Porter magazine about the uncomfortable examples of her career that rocked Hollywood.

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"At 19, walking around without my underwear — like, are you kidding me? How did I let that happen?" he asked himself, per Porter.

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"Oh, I know why: I was 19 and I didn't want to upset anyone, and I wanted to keep my job. That's why."

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Seyfried is referring to that set, but this isn't the first time she has pointed to an uncomfortable past experience in Hollywood.

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Her comments for Porter came as she shared the gross result of her iconic Mean Girls role,

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In which she played Karen, a high school student who claims she can predict the weather with her breasts.

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Seyfried Tells Marie Claire She Got Disgusting Reactions From Boys Who Saw The Movie

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She told the magazine, "I always felt like it really made money. I was like 18

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Since her time on Mean Girls, Seyfried has established an impressive, respected career in film and television,

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And she told Porter that she felt secure in herself and her work.