Celebrity stylists come to score crystal-covered fringe booties for Lady Gaga or red leather platforms for Kelly Clarkson. While Gregory’s is known for its designer shoe inventory (Prada, Alexander McQueen) and limited-edition collections (Gianmarco Lorenzi), it’s been ramping up its ready-to-wear men’s and women’s lines: Thomas Wylde, Issa, Temperley, and newcomer JC De Castelbajac.