November 10, 2010 05:30 PM

Courtesy Charitybuzz

Having trounced down runways and graced her share of magazine covers, it would be easy for Elettra Wiedemann to sit back and bask in the fabulous life of a jet-setting model, but the face of Lancôme is putting her fame and smarts to good use. The top model and daughter of Isabella Rossellini is pairing her OneFrickinDay non-profit organization with online auction site Charitybuzz for a new initiative: Model Behavior. “We have asked about 30 top models, including Tyra Banks, Eva Herzigova, Brooke Shields, Elle Macpherson and Christy Turlington to donate ‘one frickin dress’ they have worn on the red carpet,” she told PEOPLE. “These gorgeous dresses will be auctioned off on Charitybuzz and the money will go towards buying solar panels for clinics that currently have zero access or very limited access to electricity in Rwanda and Haiti.” Elettra, who recently obtained a master’s degree in biomedicine from the prestigious London School of Economics, is collaborating with Partners In Health (PIH) and Solar Electric Light Fund (SELF) with hopes to raise at least $100,000 for the cause. She joins stars like Selena Gomez, who recently donated a gown to help disadvantaged children via Charitybuzz. For your chance to lend a hand by bidding on looks previously worn by famous supermodels, head over to today! – Hana Choi

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