Mutya Buena's Winehouse worry

26-06-2007 14:00

Mutya Buena thinks her friend Amy Winehouse is too thin.The former Sugababes singer hates the size zero culture and thinks Amy has become too thin.Mutya told Britain's New magazine: "Amy is one of the best female singers in the country but she has lost too much weight, which I do worry about." The pair met and became friends when they collaborated on a track for Mutya's first solo album 'Real Girl'.They also duetted on 'B Boy Baby', which samples Ronettes hit 'Be My Baby'.Amy sparked fears for her health in April when she was pictured looking worryingly thin. She has previously admitted to having suffered with eating disorders and struggling to be happy with her body.The 'Rehab' singer performed at the Glastonbury festival over the weekend, where she enjoyed a three-day honeymoon with new husband Blake Fielder-Civil in a lavish £3,000 tepee.