Mary Kate Olsen still dresses like trash and because she's a billionaire, she has clothing lines. Christian Siriano, I'm waiting for a dis!

Mary-Kate Olsen �" in vintage Missoni �" makes a colorful arrival Wednesday at the New Yorkers for Children benefit at the Mandarin Oriental Hotel. Inside, the actress sat at Margarita Missoni's table, though she mostly kept to herself.

source