Pictures of Ashley Olsen, Maggie Gyllenhaal, Alexis Bledel, Olivier Martinez, Whitney Port, and Alexa Chung at a YSL Party

Ashley Olsen Is All Tied Up For Her Night Out on the Town

Ashley Olsen stole the show last night by sporting a head scarf on the red carpet at a party for YSL's new fragrance Belle D'Opium in NYC — what do you make of her look? She wasn't the only one making an interesting fashion statement, since Alexa Chung posed for photos in a pair of leather shorts. Maggie Gyllenhaal and Alexis Bledel, though, kept things simple in one-colored gowns. Ashley attended the bash without her usual companion Mary-Kate, but the sisters were recently together to work on a colorful project. They also rang in their 24th birthday last weekend, and to celebrate Fab took a look back at how their styles have evolved over more than two decades.

To see more from the bash, just read more.