Hannah seems like she does not want anything to do with the cameras. After her solo she asks the camera man like "Am I good" and races off like the roadrunner. Her mom shouldn't have signed her up to be on a reality tv show on national television. Either way, I hope we're not about to spend a whole season watching a kid who clearly does not want to be on TV.
I feel the same about that Brady. Him and his mom are just... there at the moment. If he wants to pursue professional dancing he's need to focus on real training. He's wasting his talent.