Janet Jackson canceled a show in Sydney, Australia on Sunday after getting sick just hours before she was due to take the stage.
The singer cut short her Up Close And Personal tour Down Under last month so she could return to America to support her family during the trial of Dr. Conrad Murray, who is accused of causing the death of her superstar brother Michael.
Jackson returned to Australia this week to resume the tour, performing in Melbourne on Thursday and at Sydney's famed Opera House on Saturday.
However, the star scrapped her Sunday night show at the venue just an hour before the performance was due to start after she was ordered her to rest her voice.
A statement from promoters reads, "Doctors have ordered Miss Jackson to undertake vocal rest for the next two days, so she can complete the 3rd and final show of her Australian tour, this Tuesday night at the Sydney Opera House.
"Unfortunately, there will not be a replacement concert scheduled, so all patrons will receive a full refund..."
Jackson is due to take to the stage for her final show at the Sydney Opera House on Tuesday.