I would have bet a dollar that Courtney Stodden would have been the first with something like this. Looks like Kendall Jenner beat her to it:
Technically, these screen caps are from a video for Love Magazine and something they've got going:
It's actually not all that bad, I'm just surprised that a supposedly totally hip 18 year old is such a bad, awkward dancer. Kendall must have the same dancing genes as big sis Kim.