Mary-Kate & Ashley Olsen Make Rare Red Carpet Appearance Together!

Mary-Kate and Ashley Olsen walk the red carpet while attending the Youth America Grand Prix’s Stars of Today Meet the Stars of Tomorrow Gala on Thursday night (April 19) at Lincoln Center in New York City. The 31-year-old fashion designer sisters matched in turtlenecks with long skirts! Mary-Kate was joined by her husband Olivier Sarkozy