Sochi 2014: US Luger Kate Hansen Does A Brilliant Warm-Up Dance (VIDEO)

We're not sure what we love most about this video - American luger Kate Hansen's pre-event warm-up dance or the hilariously sniffy reaction of one the NBC commentators.

Actually, scrap that - we do know. It's Hansen's dance. Hands-down.

Oh, and in case you're wondering - she's listening to Beyoncé...