Shelley O's Vintage Christmas Dress

Rocking it, Mamie-style.First lady Michelle Obama during TNT's "Christmas in Washington 2010" at the National Building Museum in Washington, DC. "Christmas in Washington 2010" airs on TNT December 17 at 8pm. Michelle Obama is wearing a vintage 1950s dress by Norman Norell.Okay, that's pretty damn cool. Name a First Lady who wore a 6o-year old vintage dress to a public event. We've said it