Through March 20th

Gaga grossed more than $161 million last year on her European tour, according to Pollstar, and she'll add to that total with a final surge in North America. It's perfect timing to set up her next album, ARTPOP – assuming she actually releases it this year as expected. Her manager, Troy Carter, wouldn't reveal any surprises beyond the dancers, multiple costume changes and alien-invasion storylines we've come to know. "We're at the home stretch," he tells RS.