Kate Winslet wore Zac Posen's black statement making gown with an up-do and diamond drop earrings to accept the Leading Actress BAFTA in London in February. This week, Mariah Carey wore the same fish-tailed dress with wide side parted waves to the AFI Fest 2009 Screening of Precious: Based on the Novel 'Push' By Sapphire in Hollywood. So, tell us...