Toni Braxton’s Lupus is flaring up again – and doctors are worried that she may go into CARDIAC ARREST while performing. Toni’s schedule is grueling too.

She’s performing practically every night through the middle of November. And her tour dates are taking her across the country, from Florida to Texas to New Jersey.

Can’t wait to see you guys tomorrow! #TheHitsTour comes to Hollywood,FL 💜 Get your tickets NOW!!!

A video posted by Toni Braxton (@tonibraxton) on

In order to be safe, Toni is wearing a HEART MONITOR to make sure that her vital signs are ok while she performs.

Medical personnel are backstage who will be monitoring her vitals.