It seems like everybody's been doing Bob Fosse by way of Michael Jackson for 25 fucking years. If she can put that to bed, she'll really have accomplished something.
She's definitely got the Outkast connection- not only is Big Boi in the video, she was all over Idlewild as a guest vocalist. And yeah, the hook in this is practically note for note the pinball song. Nicely appropriated, I think.