Rihanna and Leonardo DiCaprio first sparked dating rumors earlier this month. However, it has been reported they have actually been seeing each other for years, even when the Barbadian star was in relationships with ex-boyfriends Chris Brown and Drake.

According to Us Weekly, the "Diamonds" hitmaker presumably started hooking up with "The Wolf of Wall Street" actor behind her exes' backs, when the latter had split from his Victoria's Secret model girlfriend Toni Garn after 18 months of dating.

"They've been hooking up. After his breakup, Leo started texting Rihanna again," a source said. "They decided to have some fun. He's a free man again. So he's back into the field full swing. Neither one is looking to make this anything more than fun. He's into her, and they're enjoying it. There is a no strings kind of deal."

Moreover, HollywooodLife.com recently reported the couple is in an intimate relationship. The publication added that the two manage to make time for their secret rendezvous, despite their busy work schedules.

"They mostly get together during the middle of the night. She creeps out late at night to get it on -- it's like a drug," a source said. "It's a whole process. She switches cars and drivers and meets him in very discreet places. They've got a system, and they're keeping it between themselves and extremely private."

While one source might say theres nothing serious going on between the two, another disputes it. InTouch, for example, reported otherwise, stating that the singer wants to bring DiCaprio home to Barbados to introduce him to her family.

"Rihanna doesn't bring a guy home unless she really likes him. This is a sign she adores him," an insider said. "She's always thought he was cute. She loves his look, his sweet smile and his little nose."

The insider added, although the pair's affairs have been private, their close friends and family are aware that "they're seeing each other."

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