06/14/2010 09:11 am ET | Updated May 25, 2011

Michelle Obama Repeats Liz Claiborne Dress: Which Way Is Best? (PHOTOS, POLL)

When Michelle Obama addressed military families at San Diego's Camp Pendleton on Sunday, her black and white dress by Liz Claiborne made the perfect contrast against the bright blue sky. And why did that dress look familiar? A little research on Mrs. O revealed it was the same dress she wore when she and the president returned, hand-in-hand, from Copenhagen and the failed Chicago Olympic bid last October. See the two looks below and vote for which style you prefer.

LOOK #1: On June 13, 2010 at Camp Pendleton (pairing the dress with a Sacai belt):

LOOK #2: On October 2, 2009 returning to the White House (pairing the dress with an Azzedine Alaia belt):