Celebrities have to look good — that is big part of their appeal. But to do that requires more and more work these days. From working out, to carefully choosing their diet, to selecting the most stylish clothing, it must feel like a never-ending treadmill. For some, it means resorting to Photoshop to fix the problems they think need fixing.

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But sometimes that photoshopping produces some ludicrous and super embarrassing gaffes.

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From Teresa Giudice to John Mayer, there have been some epic Photoshop fails and this gallery rounds up ten of the very best. And did they really Photoshop themselves? You be the judge.

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