Xtina isnít the only Vegas icon hitting the Hot Tours list this week. Lady Gaga is No. 2 with the second leg of her ongoing Sin City residency. Combining the grosses of Enigma and Jazz & Piano, Gaga added $13.5 million to her total, having grossed $29.5 million since her Dec. 28, 2018, launch. Additionally, the first six shows of Janet Jacksonís Metamorphosis hit the June 29 list with $4.1 million.