Back To Black singer can’t stop working out

Amy Winehouse has become an exercise fanatic, according to her dad.

Mitch Winehouse, 57, is chuffed his daughter is sticking to a healthy regime.

‘She’s eating and can’t stop working out,’ he says. ‘She’s a raving lunatic when it comes to the gym! We’re proud of her.’

Meanwhile, Amy, who is being divorced by husband Blake Fielder-Civil, 26, has been given a free motor by car giant Audi after they heard she wants to learn to drive.

SEE PICTURES Amy Winehouse – from busty brunette to scrawny scrap>>