It is only fair that the FLOTUS gets best dressed at the dinner at her house, right? You just can't let somebody out-do you at your own function! She was fabulous in Naeem Khan at the Correspondents Dinner! I'm so sad there is no red carpet pic of her
Image from Huffington Post
And honorable mention goes to...
Charlize Theron in Emilio Pucci
Pic from style.com