It's not easy to sing Aretha Franklin songs. Few people can really belt it out as well as the grandmother of soul, and no one can do it better. But these vocal sirens gave a great performance. Sure, it felt a little bit like a VH1 Divas special, with each performer introduced before her song segment. But Christina, Jennifer, Florence, Yolanda and Martina put on a good show. Christina even remembered the words!