Recognize the Reveler: Who's Sporting Stubble?

Which singer/actress forgot to shave her armpits before a big premiere? Guess now!

Here's a Hint: This singer/actress has a lot to celebrate.

She recently got hitched, has a starring role in a new movie, released a successful new album and looked hot when she hit the carpet in New York last night...except for her underarms!

Did someone forget to use a razor before her red carpet walk? Was she growing it out for an upcoming wax session? Either way, it's not her best look.

Think you know who's got some serious stubble?

Get the answer right here.