Stars are auctioning off fun experiences on Charityfolks.com to help Hurricane Sandy victims and to benefit the Community Food Bank of New Jersey. Sarah Jessica Parker offers dinner with herself and Andy Cohen at Blue Hill. Selena Gomez will allow a guest on the set of her next music video. Glenn Close will record a personal voice-mail message. David Blaine offers a private performance. Also participating: Jon Stewart, Chelsea Handler, Derek Jeter and Stephen Colbert. Bidding ends Dec. 10.