Last night was the Metropolitan Museum of Art's annual Costume Institute gala, and you know what that means: Madonna showed up wearing no pants, Anne Hathaway showed up with bleached blonde hair, Kristen Stewart showed up with sad raccoon eyes and a matador pantsuit, and Kim Kardashian showed up wearing what we can only assume used to be curtains. Oh, and new couple Tiger Woods and Lindsey Vonn made their red carpet debut, Radar reports. Click through the gallery for some of the more interesting looks from the evening. (More lists stories.)