Amanda Seyfried is undoubtedly grateful for having such an unforgettable role on 2004's Mean Girls, but she has recently revealed the role that catapulted her into fame didn't come without its upsetting downsides.ALSO: HELLO!

launches Jubilee T-shirt collection to celebrate Queen Elizabeth in styleThe star played the adorable and ditzy Karen Smith, who confesses in the movie that she could predict the weather by holding her breasts.While many hilarious moments from her portrayal of one of the "mean girls" have lived on forever through memes and cultural references galore, during a recent interview with Marie Claire, Amanda revealed that it came with its fair share of "gross" consequences.WATCH: Amanda stars in Hulu's The DropoutMORE: Amanda Seyfried shares rare glimpse of family life revealing how her children spent Easter weekendThough many will always remember her "I'm sick" bit in the movie, what she will never forget is how men reacted to her character, who would reenact Karen Smith's signature gestures back to her.She recalls: "I always felt really grossed out by that.

I was like 18-years-old. It was just gross."It didn't take her long to realize that while she certainly wanted to continue her acting career – and she's successfully done so – fame on the other hand is not what she found most appealing about a Hollywood career.

Amanda starred in Mean Girls alongside Rachel McAdams, Lacey Chabert, and Lindsay LohanThe mother-of-two didn't hold back when discussing child stars and achieving fame at such a young age, expressing that: "I think being really famous [young] must really [expletive] suck… It must make you feel completely unsafe in the world."MORE: Amanda Seyfried makes bittersweet red carpet appearance in chic.

Amanda Seyfried makes upsetting career revelation

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