Let's face it, Mariah Carey was NOT the first singer to have a total lip sync fail during Dick Clark's Rockin' New Year's Eve in New York City.

Was it bad? Yes. Was it super awkward? Yes. But, lots of celebs have been subjected to this, unfortunately. Sometimes, it's not entirely their fault – the track could skip and their mouths just can't keep up with the words.

To be honest, we can't really imagine how these celebs feel when it happens to them. A embarrassing moment like this playing out in front of thousands or even millions of people probably doesn't do their confidence any good. But, it's kind of fun to watch considering it shows that they DO have flaws just like you and me!

Click through the gallery and check out some of the biggest stars in the biz make some of the biggest mistakes of their career!

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