Models relax backstage before the Christian Siriano Spring 2013 fashion show during Fashion Week in New York (AP Photo/Stephen Chernin)

Makeup is applied backstage before the showing of the Billy Reid Spring 2013 collection during Fashion Week in New York. (AP Photo/Louis Lanzano)

Model Beth Franke is prepared backstage before the showing of the Derek Lam Spring, 2013 collection during Fashion Week in New York. (AP Photo/Louis Lanzano)

Models are readied backstage before the Diane Von Furstenberg Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/Seth Wenig)

A model waits backstage to have her makeup done before the Altuzarra Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/Jason DeCrow)

A model has her make-up applied backstage before the Zac Posen Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/John Minchillo)

A model has her eyelashes done backstage before the Zac Posen Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/John Minchillo)

A model has her make-up applied backstage before Zac Posen Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/John Minchillo)

The Diane Von Furstenberg Spring 2013 collection is readied backstage during Fashion Week in New York. (AP Photo/Seth Wenig)

A model has her shoe tied before the Skaist Taylor Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/Karly Domb Sadof)

A model is photographed backstage before the showing of the Derek Lam Spring, 2013 collection during Fashion Week in New York. (AP Photo/Louis Lanzano)

Models wait backstage before the showing of the Billy Reid Spring 2013 collection during Fashion Week in New York. (AP Photo/Louis Lanzano)

Models joke around as they wait backstage before the Altuzarra Spring 2013 collection is modeled during Fashion Week in New York. (AP Photo/Jason DeCrow)

People arrive to watch the Thakoon Spring 2013 collection show during Fashion Week in New York. (AP Photo/Karly Domb Sadof)

Designer Derek Lam, center, watches a first look down the runway before the showing of his Spring, 2013 collection during Fashion Week in New York. (AP Photo/Louis Lanzano)

Designer Zac Posen, center, watches a model pass before his spring 2013 collection is modeled during Fashion Week in New York (AP Photo/John Minchillo)