The Reformation Renna Top is a sweet stunner, with a full platter collar, a front tie, and delicate scallop detailing. The Reformation Renna Top is a sweet stunner, with a full platter collar, a front tie, and delicate scallop detailing. Founded in 2009, Reformation is a revolutionary lifestyle brand combining stylish, vintage-inspired designs with sustainable practices. With each limited-edition collection, the LA-based brand empowers individuals who want to look beautiful and live sustainably.