Recognize the Reveler: Who's Sporting Spanx?

What actress accidentally showed off her secret weapon for looking slim at a soiree? Guess now!

Here's a Hint: This actress was quick to admit she put on a few pounds for a part in a hit show, but lately she's been looking lean again.

As she was leaving her party in Hollywood, she accidentally showed off her secret slimming weapon: Spanx!

She's just one of the many celeb fans of the smoothing garments...Oprah and Jessica Alba love them too.

Think you know who's getting some extra support? Get the answer right here!