Madonna has never risen above the level of a trashy tramp. There's no comparison between the two.
You wrote a special epic sound of thunder, but that its not answer the question of a good fight between them. Bettie was never a Goddess ore holy ore whatelse, so let ' em fight
I think, that Madonna in her best years had kick ass of Bettie in her golden Years (Both are thirty or so).
Maybe, Madonna lies at End on Bettie like a bloodsucking leech