Crowley too finishes their drink, discarding the glass so that they can take both of the angel's hands in theirs.

"That's the spirit." Crowley chuckles, stepping backwards and leading Aziraphale to the edge of the dance floor. Once there, lithe arms are sliding up Aziraphale's and shoulders, finding a place to rest around his head. 

"All you have to do is hold my waist, angel, and then follow my lead, yeah? It's just a little sway, really. Doesn't take skill."