Just when you think you've seen it all on Halloween, a giddy man in a Wolverine costume performs Beyoncé's "Single Ladies (Put a Ring on It)" choreography on a sidewalk. As his friends egg him on and laugh uncontrollably, the man busts out all the Bey moves that make your soul shiver. Even more impressive: he does it while holding the X-Men character's signature cigar in his mouth! For your viewing pleasure, the guy's friend captured the entire routine in a clip uploaded to YouTube on Friday, giving us an incredible addition to our collection of awesome dance videos. Watch the hilarious moments unfold in the video above, and then check out the latest viral videos.