Britney Spears & Her Backup Dancers NAIL The Mannequin Challenge While Celebrating A Big Win — Watch!

If you don't know about the Mannequin Challenge yet, it's possible you're standing still and letting all the trends pass you by! Ha!
Don't worry though, because Britney Spears is here to help by delivering one of the most fabulous frozen poses yet!
Video: Destiny's Child Reunites To Do The Mannequin Challenge!
The pop star took to Instagram to share a video of her and her Las Vegas residency backup dancers striking various poses for the Mannequin Challenge while the blonde beauty's song Slumber