With every red carpet there’s always a few celebs that have us asking, “What were they thinking?” – and while some stars simply miss the mark, others have sported designer duds that are just downright dreadful.

In celebration of the 2012 Primetime Emmys, we wanted to take a look back at some of the biggest  fashion faux pas through the years.

Bedazzled jeans, see-thru disco dresses and oversized gowns are all mistakes stars like Cher, Geena Davis and Sarah Silverman ... and that's just the tip of the iceberg.

See the worst dressed stars of all time in the gallery above -- and check back today around 3:30pm PT to see all of this year's red carpet pics!

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