has died. The beloved vocalist, best known for her work with the acclaimed R&B group Labelle, died on Monday at age 76.Dash's death was confirmed by her bandmates Patti LaBelle and Nona Hendryx on social media, both of whom shared heartfelt tributes to the beloved vocalist.«We were just onstage together on Saturday and it was such a powerful and special moment,» LaBelle wrote in a message posted to Twitter on Tuesday morning.