An injury prevented Normani from taking the stage at the BET Awards Sunday, the singer said. "I am more frustrated and disappointed than anyone," she shared in an Instagram story. "Believe me." Normani, who had previously been a member of Fifth Harmony, had released her first solo album, Dopamine, just weeks before the scheduled performance. "I've enjoyed the recording process, but I'm like, 'Put me on Stage,'" she told Entertainment ...