Trey Songz was spotted performing in a pair of Dior Homme calf leather sneakers ($744) in a black gloss effect from their 2010 Spring/Summer collection.This sneaker is designed like no other with a back zip closure and lacing that begins in the back and wraps around the front. Through this collection Dior Homme artistic director Kris Van Assche shows that he is a unique designer with an eye for great silhouettes.