Toni Braxton

R&B Singer TONI BRAXTON will not be returning to her Las Vegas show until next month in order for her to undergo more medical tests stemming from her April 7 hospitalization, the Associated Press reports. The "Unbreak My Heart" singer was admitted to the hospital last Monday for chest pains and was initially expected to return to her Las Vegas show, "Toni Braxton: Revealed," tomorrow. Flamingo President Don Marrandino said her Tuesday-through-Saturday shows are also off, and Braxton will take advantage of a previously scheduled two-week break.She is due to resume her show at the Flamingo Showroom on May 6.The Flamingo is offering refunds for the canceled shows.