A new star-studded cast of celebrities and their pro partners hit the dance floor for the first time to perform a Cha Cha, Foxtrot, Jive, Salsa or Tango. The season premiere will also feature a dazzling opening number to “Levitating” by Dua Lipa. TUESDAY, SEPT. 26 (8:00-10:31 p.m. EDT), on ABC.