Ashley and Mary-Kate Olsen turn 28 today, and in honor of their birthday, let's take a look back at five times the twins have dressed almost exactly alike.
With their penchant for dark, oversized outfits and stick-straight 'dos, can you tell the Olsen twins apart?!
First up, the twins rocked all-black looks from their own line The Row at the 2014 CFDA Fashion Awards on June 2, 2014 in New York City.