Quite a few members of Al's stable are partial to a bit of fruity dancing. Spence and Twink are a couple of the others I've also seen doing so. You'd never see Michael ''The Bounty'' Hunter, Artur Beterbiev, David Benavidez, Jean Pascal, or Matt Korobov engaging in that kind of thing because they don't get down like that.
Its called ritual humiliation, look it up. When you make a deal with the devil you have to do certain things when called upon.