Girls Aloud singer Sarah Harding has proved once again that she isn't scared to shake up her image. The edgy star, who is well known for her love of partying, debuted a new hair cut at a London Fashion Week show. She had opted for a shaved panel in the side of her hair and changed her usually sleek, straightened locks for a curlier, more glamorous look. Sarah was attending the Vivienne Westwood show with fashionable pal and fellow Girls Aloud singer Nicola Roberts. Both wore quirky outfits - Sarah wore a black leather dress while Nicola wore a vintage-looking red number. A number of celebrities attended the show, including Boy George, Alexa Chung and Peaches Geldof. Walking on the catwalk was Big Brother star Lisa Wallace and Pixie Geldof, among others. Sarah is not the only Girls Aloud star to try a new look with her hair - Irish band member Nadine unveiled a new brunette do for their Coldplay support slot.