"I love this Thomas Wilde dress! It's black satin with raw edged ruffles, but the real surprise is the daringly low back," says Deeley of the dress she wore to host the December 1st dance-off. "The shoulders were attached by a chain with two skulls. Shoes were from Givenchy, decorated with copious amounts of graduated spikes. The 'Princess of Darkness,' Ozzy Osbourne would be proud!"