Move over, Muppets, Billy Crystal is going to be the host for the 84th Academy Awards. At least, so says Crystal on his Twitter account. So far, there has been no official announcement from the Oscars about a new host, who quickly rallied after losing producer Brett Ratner to his own poor taste to replace him with veteran producer Brian Grazer . more › More: Rumor Mill: Billy Crystal to Host the Oscars?