It's a doubly big day in the U.S. today -- the annual Dr. Martin Luther King, Jr. holiday and President Obama's second inauguration day!
No doubt style watchers will be waiting to see what First Lady Michelle Obama wears during all of the day's festivities. If you're a Mrs. Obama fan, take a look back at some of her fashion and makeup choices during the past several years. I'm sure she'll look just as classy and elegant as always.
(Photo credit: Chip Somodevilla/Getty Images)