Mariah Carey’s ex-husband Nick Cannon could see the singer was getting “flustered” during her disastrous performance on New Year’s Eve. The Hero singer was the headline act for the Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest show in New York’s Times Square, but her set quickly went downhill when her in-ear monitors failed and left the star awkwardly dance onstage as a backing track played behind her.