A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: Designer Derek Lam walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)

A model walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City.

NEW YORK, NY - SEPTEMBER 11: Designer Derek Lam walks the runway at the Derek Lam Spring 2012 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 11, 2011 in New York City. (Photo by Frazer Harrison/Getty Images for Mercedes-Benz Fashion Week)