Unfortunately for Nick, the fans wanted to see him chug!
Although, Nick managed to make slime look good!
Watch him chug (above) and get slimed (below)!
Ke$ha is known for making some pretty bold fashion choices, but this one is definitely going down in history as the CRAZIEST!
Ch-ch-check out the video (above) to see the Take It Off singer expose her insane Halloween costume idea to a curious fan!
And stick around for a HIGHLARIOUS Halloween anecdote! Her WHAT was falling off???