Toni Braxton [ tickets ]'s recent medical problems again have caused The Flamingo hotel-casino in Las Vegas to cancel her "Revealed" show, which now is set to resume May 6, according to published reports.

Braxton was hospitalized April 7 for chest pains and originally was expected to return to the stage April 15. However, the 40-year-old performer will undergo more testing throughout the next couple of weeks, according to Las Vegas news outlets.

Braxton, who spent one night in the hospital after suffering chest pains, reportedly is recuperating at home.