Jessie J has had to cancel a show in Australia after losing her voice.
The British singer-songwriter was due to perform at the Future Music Festival in Perth.
Jessie apologised to her fans on Twitter, saying: "So my voice has decided to go for a walk :( MASSIVE sorry to all my fans who wanted to see me today at #futuremusicfest. X".
"I am so sorry to all my fans in #PERTH who were going to see me at #futuremusicfest and #heartbeattour I did not expect this to happen and sometimes I cannot prevent being run down... I wish I had special powers to get my voice back. x"
The star has been flooded with well wishes from her supportive fans on the social networking site.
Jessie has recently been involved in a new venture. She will be mentoring contestants on new talent competition The Voice.
She will make up the judging panel alongside Sir Tom Jones, Danny O'Donaghue - The Script frontman - and Black Eyed Peas member Will.I.Am.
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