Don't talk about Aaliyah, I still can't think of her without at least tearing up. I remember the day she died when I woke up and it was all over Mtv and I thought it was a dream. What a loss of talent.
Anyway, back to the topic...I think Usher will be a more than suitable Billy even though, like everyone else has said, he is a bit young to be truly convincing.
I really wouldn't mind him as Seaweed in Hairspray.
"Who says you can't bend over backwards and eat bugs if you want to? I guess the bugs would probably say you can't do that that, but assuming that they are willing and consenting bugs, then there's no problem. Let's wig out eating bugs."
-RuPaul