Michelle Obama was quite busy yesterday entertaining guests at the White House for a day of functions, including the Coming Up Taller Awards and a classical music concert. And for both events, the First Lady wore her shoulder-skimming locks in a sleek updo (pictured above).

While we've previously spotted Mrs. O's hair styled in a "tuck up," this polished, yet feminine look is reminiscent of First Ladies of years past. Has Michelle traded in her modern flair for something more classic? What do you think of Michelle's latest 'do? Leave a comment below.

For a look at some of the most buzzed-about White House hairstyles, check out our politcal hairdos gallery.