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Michelle Obama celebrated Cinco de Mayo yesterday in argyle. Today, for a Cinco de Mayo event in the White House, she wore a dress roughly the color of the margaritas you'll (hopefully) be drinking in a few minutes. But who cares about that when, after that function, MObama jetted to New York! Wearing a different dress! It's the same dress she wore the morning after the inauguration. But who cares? She's in town! Any one of us could see her in the flesh any minute! See the full looks in the Michelle Obama Look Book.