Chris Brown & Rihanna Talk All The Time, Want To Keep Their Business Private

A friend of Chris' tells HollywoodLife.com that he and Rihanna talk many times a week AND still hook up, but they have no intention of publicly admitting it. Should they?

Since their break up, rumors have persisted that Rihanna and Chris Brown were still seeing each other. We've suspected that they use Twitter to communicate and that they spent time together in St. Tropez recently. As we've just learned from a close friend of Chris', it's all true. "They still talk...on the regular," Chris' friend tells HollywoodLife.com. "He probably talks to [Rihanna] three or four times a week by phone or text. And you already know they [are] sending each other messages and s*** on...Twitter," the friend says. But, as our source explains, it doesn't just stop at talking. "[Their] relationship is what it is. They talk when they talk. They hook up when they hook up...They are two grown...people and can do whatever the f*** they want," the friend says. As for why Chris, 23, and Rihanna, 24, won't make anything public, our source says, "I guess they just don't want all the press in [their] business. They need some privacy, too...I know some of the boys [are]

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