Pop singer Cheryl Cole is reportedly concerned that her singing voice may not return to normal after losing her voice recently.
According to The Sun, Cole lost her voice for five days recently, while suffering from malaria.
'The X Factor' judge is now reportedly drinking lots of hot honey and lemon drinks in the hope of repairing her voice.
A source said: "Doctors have told her that it will come back, but she's full of worry."
