Nicki will do 6 during the fall arena tour.
Rihanna did 5 during the GGGB tour.
Beyonce did 5 during the Beyonce Experience and 6 during the I Am... Tour.
Both Big Bang and 2NE1 could do 5 each with their world tours.
SHINee has not yet, and nor has Ailee.
afraid to live, and afraid to die; what a way to exist.