Watch Britney deal with a wardrobe malfunction like a total BOSS

At the Friday night performance of her Piece of Me show in Las Vegas, Britney Spears suffered from a major wardrobe malfunction. 

The Queen of Pop was performing her 2009 single, 3, when the zipper on the back of her outfit burst open, revealing her entire back. 

She motioned to her back-up dancers to fix it, but after numerous failed attempts, the situation couldn't be helped. 

But Britney, being the professional that she is, just kept going and incorporated her fully-exposed back into the routine. Sassy!

When the song finished, she very quickly left the stage to get her costume fixed and the crowd was none the wiser (well, until now).