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For fashion mavens, there is no event more anticipated than the Met's Costume Institute Gala (well, except for maybe the royal wedding!). But speaking of royals, this year's gala is a tribute to the late Alexander McQueen. That means you can expect to see drama at the utmost thanks to stars including Jennifer Lopez, Blake Lively, Ashely Greene, Kristen Stewart, Daphne Guinness and more. See the best and worst dressed fashionistas at the Met Gala 2011!