Whether they're hitting up the red carpet or are out and about in Hollywood, celebs look perfectly polished and are dressed to the 9's. Most of the time.

Every now and then, our favorite stars suffer an unfortunate wardrobe malfunction and exposed a little too much.

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From accidental nip-slips, to seriously see-through clothes, click through the gallery to take a look at the most embarrassing celebrity wardrobe fails through the years.