Madonna.

Comparing the two though...

Without a doubt Madonna.

Y'all should compare 2nd tour of madonna and gaga's upcoming tour. We'll see who's superior

Madonna played four sold out shows at Wembley Stadium on her second tour. We'll see if Gaga can sell out one on her third tour.

Comparing the grosses is pointless, with inflation and price increases.

Let's compare the attendance instead. Get your receipts ready

We don't know yet. Maybe there'll be a new queen of touring

Final attendance for WTG Tour:

And it's missing a few dates. Death @ Madonna playing in front of half of Gaga's total audience for TMB in a fifth of the amount of dates.