Leona Lewis would never pose nude because she isn't confident enough. The 'X Factor' winner - who is a fiercely proud vegetarian and refuses to wear leather or fur - is too shy to follow in the footsteps of 'Clueless' actress Alicia Silverstone and shed her clothes for PETA.

She told BANG Showbiz: "I'm not that confident! I think it's a strong statement, and I really respect it because it's for a great cause. I would love to do something for great causes like that, but I just don't think I could pose nude, because I'm not that brave."

The 22-year-old 'Bleeding Love' singer - whose new single is available to download from October 20 - also revealed she had a near-mortifying experience on stage recently. She said: "I thought there would be a few embarrassing moments when I went on stage in a dress that was slightly see-through, but luckily it was fine. It was beautiful dress though!"

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