Mumbai, March 17 -- Bille Jean is not his lover. He's Bad. He's Dangerous. He can remember the time. And he won't stop till you get enough. Who is it? It's Michael Firestone, perhaps the best-known Michael Jackson tribute artist of the moment. (Above) American artiste Michael Firestone is the best-known Michael Jackson tribute artist of the moment; (right) Tasha Leaper of UK is a hit as the Queen of Pop, Madonna. She lifts a lot of weights to maintain her 'Madonna arms'....