Rob Kardashian is back! Well, sort of.
Check out RK's post (below):
[Image via Instagram.]
It's all just a smooth, danceworthy number– until you realize that drummer is ALSO Will.i.Am! And so is the keyboardist! He's his own backup band! Wait, and he's in the audience too??
And contestant Cody Wise is in two places at once too, singing AND playing bass!
Ch-ch-check out the video (above) to see the mind-blowing, multiplying performance of It's My Birthday!
If you see any pieces of our blown mind by your feet, please return to us promptly.