R&B singer Toni Braxton has canceled the remainder of her Flamingo Las Vegas engagement, called "Toni Braxton: Revealed. No specific reasons for the cancellation were given, although her health may have been a factor.

Braxton had previously canceled a few shows in the engagement due to her health. She was hospitalized on April 7 after complaining of chest pains, and she has been treated in the past for pericarditis, a viral inflammation of the heart.

The popular residency, which the Flamingo touted with an enormous mural of the singer on the side of the hotel, was supposed to resume June 6 and continue through August. As of today, June 1, the Flamingo Las Vegas website was still advertising the show.

"All shows are canceled," a Flamingo box office spokesperson advised TicketNews, "and refunds will be made."