Watch: Camila Cabello Reveals the Real Reason She Left Fifth HarmonyCamila Cabello is cheering her former bandmates on. The "Señorita" singer had the most supportive reaction to Fifth Harmony members Ally Brooke, Normani Kordei, Lauren Jauregui and Dinah Jane reuniting on stage for the first time in seven years during the Jonas Brothers' concert on Aug. 31. In a video shared to the Fifth Harmony's Instagram Aug. 31, the four singers performed their 2015 song "Worth It" during the Dallas concert while wearing coordinating black outfits and dancing to synchronized choreography.