90 Reasons to Celebrate Mary-Kate and Ashley's Style

Twinning combo: For the Fresh Air Fund's Salute to American Heroes event in July 2012, the twins coordinated their cocktail-chic ensembles, both by The Row, by choosing sleek hues at opposite ends of the color spectrum.

• Ashley looked angelic in a fitted and textured white halter dress, which she accessorized with sling-back pointed-toe pumps and stacks of gold bangles.
• Mary-Kate stepped out in a kimono-style black sheath, complete with a sash at the waist, and colorblock sandals.