It seems like Kat Von D wasn't the only one with Jeffree Star issues!
He initially posted about his artwork being used for Jeffree's merch on Instagram:
[Image via Instagram.]
Is it just us, or is Jimmy Fallon having the most fun anyone has ever had on TV?
And now he's dueting with music legend Billy Joel!
Ch-ch-check out the video (above) to see the duo duet to doo-wop!