Patriotic chic! Independence Day at the White House. Photo: Jewel Samad, Getty Images

Michelle Obama hit the White House lawn in chic summer style for a July 4th barbecue that included fun and fireworks for military families!

The First Lady skipped traditional red, white and blue in favor of classic Audrey Hepburn. Mrs.O wore a black and white Narciso Rodriguez dress, silver flats with her hair swept back into a simple bun.

The two-tone, square neck tank dress featured an empire-waisted black bodice (no belt!) and white cocoon skirt that tapered in at its knee-length hemline.

Daughters Malia -- whose birthday just happens to fall on Independence Day -- and Sasha wore sweet white sundresses, while Barack kept it casual in a short-sleeve, chambray blue button-down.

After the President's speech, the Obamas joined the military families for a picnic on the White House's South Lawn.

The ultimate power couple. The President and First Lady strut in style at the White House's Fourth of July festivities. Photo: Getty Images