I'll tell you, if they were my group, I'd turn them into a pop group that just happens to have some soul. They would sing those sassy pop songs like Arianda Grande and Meagan Trainer sing. And I would stick Brienna right up in the front because she has the pop voice and the "sex appeal." Then there would probably be a little tension from Kristal and Ashley, who have stronger voices and more experience, but it's all for the good of the group. Everyone would get solos, but Brienna would be the lead singer. It's easier to market a group with a lead singer as opposed to expecting the audience to get to know all 5 of them right up front.
And they would dress funky like they did at the hiphop awards.