Britney Spears' Weave Falls Out During A Show & She Doesn't Miss A Beat! Watch!

This could have been disastrous, but she's a pro! Britney Spears was getting ready to crank up the dancing for her performance of Do Something on Friday night in Las Vegas, but she was too fierce for her weave! [ Related: Britney Spears Takes Us Back To 2004 With This Youthful Look In Nevada! ] It ran away