Heidi Klum just unveiled her latest Halloween costume. Past Halloweens have seen her dress up as E.T., a giant worm, Betty Boop, Fiona from Shrek and even herself at the age of 95. Early this month, she revealed she was working on her new look with prosthetic makeup designer Mike Marino, the man behind Colin Farrell's look as The Penguin. Now their creation has been unveiled, as Heidi attended her 24th star-studded Halloween bash dressed as none other than Medusa. Where does this one rank in her