Without question, the dab was the de facto king dance move of 2015. It's also one some people think should be left behind as we move into the new year. Don't count 50 Cent as amongst those seeking to end the dance move, however. The rapper, who performed last night at a gig in Patchogue, N.Y., was seen doing the move not just once, but twice on stage. "Who want to battle me right now?" 50 asked on Instagram earlier today. "I was fucking shit up last night." Take a look at the extraordinary double-dab for yourself below.