I agree with the "long time between hits" idea.

This is funny on my end since I have never been one of her fans. Still, I do have to admire an enterprising woman. In her profession/s it takes a lot of work, energy, drive and willingness to take risks to remain relevant.

Maybe she is smart enough to realize she cannot pull off trying the music styles of the people she had with her. It was interesting she chose well known artists to accompany her when she could have easily chosen unknowns who would have given no challenge to her star status.