Sex and the City hunk Jason Lewis is rumored to be dating Michelle Trachtenberg. Following his split from Rosario Dawson last fall, Lewis and Trachtenberg were recently spotted on a date at LA's famed Chateau Marmont. "They just began hanging out," says a source. Trachtenberg has previously been linked with X-Men star Shawn Ashmore, Fall Out Boy's Pete Wentz as well as Nicole Richie castoff DJ AM.

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