PARIS — Nicolas Ghesquiere has become a fashion darling for his inventiveness, and fall’s Balenciaga collection didn’t disappoint. He played with some Edwardian ideas, including variations on a corseted shape with a small waist and padded hips. He also did riffs on the lace-up details of corsets, using them even in tops worn with pants. Here, his sexy little minidress. For more, see pages 4 and 5.