[ no, there won't be dancing, sir frankenstein. CURSE THIS LACK OF EDIT BUTTON ]
[Regis only attended because the awesome house of sparkly awesomeness attended. The idea of a 'prom' in a prison is utterly and completely absurd to him. BUT WHATEVER, HE'LL BE ONE HELL OF A THE BEST POOLSIDE BUTLER/CHAIR LOCATOR/DECORATION EVER.
As it is, he's standing close, doing the people watching thang.