Playboy Playmate Lauren Hill wears a vintage Playboy Bunny costume during a fashion show to introduce new Playboy Bunny costumes designed by Roberto Cavalli during a party for the fourth anniversary of the Palms Casino Resort November 5, 2005 in Las Vegas, Nevada. The new costumes will be featured in the new Playboy Club Las Vegas in the Palms’ Fantasy Tower, scheduled to open in May 2006.