Insiders warn Rihanna is headed for heartbreak…

From Star Magazine

…the duo spent Valentines Day together partying at NYC’s Up & Down nightclub until 4:30a.m. But while Rihanna tried to hang on Leo’s arm all night, there eyewitnesses say he was bragging about his single status. “She was throwing herself at him, case ” spills a spy, “but he was looking in every other direction. It was obvious he wasn’t that into it.”

Pals say the Barbadian beauty has even convinced herself that all their sneaking around is Leo’s way of protecting their budding romance, when in reality it’s the polar opposite. “He’s only interested in hooking up,” says the source.

The hunky actor, 40, who is known for his love of models, was overheard telling friends recently that Rihanna is “no one special.”