Fashion Project, set up by two Harvard classmates, allows people to sell their items online and choose which charity the profits go to, as well giving customers the possibility to snap up designer clothing for a good cause.
amfAR works on behalf of global HIV-AIDS patients, reports contactmusic.com.
Fans of the star can get their hands on the shimmery bronze Max Azria gown, which she wore for the 'Project Runway' finale, for just $599.