Derek Lam

Since launching his eponymous label in 2003, American designer Derek Lam has garnered an impressive following amongst hip young stars like Natalie Portman and Rachel Bilson. Lam's genius lies in his ability to cut sophisticated tailoring, "I always consider what will work for women at this moment, and to me this moment is about luxury without formality." Look out for city-chic separates and party-perfect dresses.