*E! late night host Chelsea Handler and 50 Cent went on another date Sunday, stirring up more rumors of a romance — not to mention dirt-cheap publicity for both parties.

This time, the pair went to lunch in Malibu, then, drove off together in his Rolls Royce. [See photo above.]

As previously reported, they went out on three dates in October. Early last month, a source told UsMagazine.com that the duo have been casually dating for “a while. It’s more of a hookup thing — whenever they are in the same town.”

Both single stars have been coy about anything romantic between them.

“Everyone, calm down,” Handler tweeted Oct. 6 after she was snapped getting cozy with the rapper (real name: Curtis Jackson III) in New Orleans. “There’s nothing to report yet. I’ll let you know if there is.”