Usher Responds To G Herbo's Singing Challenge

G Herbo recorded himself hitting the high notes from Usher's famed "Superstar" challenge Tuesday night and it elicited a cryptic jab from the R&B star himself. Herb kicked things off by light-heartedly posting to Instagram that he could sing better than Usher on his "worst day. Usher wasn't amused 'cuz he responded with a emoji, which means "You're lying. Herb captured himself on a separate IG vid squaring off against his "No Regrets" collaborator YK Dee in a B-Boy dance the Chicago rapper was sipping a clear liquid -or some liquid courage as they say with every pop lock and two-step.

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