Ashley Olsen, Justin Timberlake reportedly dating

Is Ashley Olsen Justin Timberlake's latest Hollywood hook-up?

US Weekly is reporting that the former "Full House" star and the "Friends With Benefits" actor have been secretly meeting up in New York City recently. Timberlake and Olsen have reportedly been spotted together at the Greenwich Hotel, two Broadway shows, a polo match and the "Saturday Night Live" after-party) and a source says, "They are hooking up."

While another chatty source says, "They're really trying to keep in on the down-low," Timberlake's rep says there is nothing going on: "They are friends. They are not romantically involved."

Timberlake and Olsen, who both run their own fashion labels, recently ended long-term relationships. Timberlake split with Jessica Biel after four years and Olsen ended her two-year relationship with Justin Bartha.