Gisele Bundchen has hit out at sceptics who thinks her model good looks are fake, by insisting her flawless body is all genuine.

The 27-year old Brazilian is the highest paid supermodel according to Forbes magazine, earning $33 million (£16.5 million) in 2007 and $38 million (£19 million) in this year alone.

And Bundchen, who has graced the covers of more magazines than any other supermodel and is the face of over 20 brands internationally, admits she's tired of skeptics convinced her looks have been altered to achieve such perfection.

Venting her frustration to GQ, she says: "The other day, a girl on my plane was pulling my hair. She was like, 'I just want to check...'

"This is all my hair, by the way. I did not have extensions."