It's hard being a reality TV star. You have your whole life scrutinized, you have to deal with haters, and sometimes you might even lose your job. That's what happened to celebs like The Real Housewives of New Jersey's Teresa Giudice, Teen Mom's Amber Portwood and these other stars who say their 15 minutes of fame did more harm than good.

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Click through the gallery to see reality stars' biggest regrets about appearing on television.