It was hard not to notice the crowd at designer Joseph Altuzarra's show yesterday — Leighton Meester, Rachel McAdams, Becki Newton. What's the secret behind Altuzarra's rising stock? We headed backstage to find out. His inspiration, he says, "really stemmed from the idea of nostalgia ... looking at a lot of seventies, David Hamilton ... it kind of evolved into making clothing that was very evocative and had a history and had a soul." Listen to him describe how he takes parts of different garments and gives them new life.