Instagram/Kali Uchis & Mariah the S Music Kali Uchis announces her For the Girls Tour with Mariah the Scientist. See her live across North America this spring & summer. Get tickets now. April 1, 2026 AceShowbiz - Kali Uchis is preparing to embark on her upcoming spring and summer tour titled For the Girls Tour, featuring special guest Mariah the Scientist and opener Laila! on select stops. The tour, promoted by Live Nation, will cover major amphitheaters and arenas across North America.