Cheryl is convinced that she has been visited by the ghost of her late Girls Aloud bandmate Sarah Harding. The 39-year-old singer revealed that she had a supernatural encounter with Sarah – who passed aged 39 last September following a battle with breast cancer – when the band’s song ‘Hear Me Out’, the name of Sarah’s autobiography, started playing by itself in her car. Speaking on the 5 Minutes On podcast, Cheryl said: “I was driving to Newcastle last year and for weeks I had been fiddling around with my car to try and get the Bluetooth working and I couldn’t. “I was so infuriated with it I g…