AceShowbiz -

Did Rihanna and Naomi Campbell end their friendship because of a guy? The Barbadian beauty has seemingly found herself a new man in Hassan Jameel, a Saudi billionaire who is believed to be Naomi's ex-boyfriend. Naomi and Hassan were photographed together last summer.

According to The Sun, Rihanna and Hassan have been dating since January, a few months before she and Naomi unfollowed each other on social media. "She has kept this under wraps, but they have been together officially since January," a source tells the website. "This relationship is the real deal. Rihanna has told friends she's in love with him and seems completely smitten."

Naomi is said to be furious at Rihanna for dating her ex, but thinks that their relationship won't last long. "Naomi has known about Rihanna dating Jameel for a while and she is furious about them being together," an insider tells HollywoodLife.com. "Given their poor dating histories, Naomi doubts they will last very long as a couple," the insider says.

However, Rihanna seems to be completely focused on her new man, whose family ranked 12th on Forbes' richest Arabs in the world list. "Rihanna is focused on having a relationship with Hassan [Jameel] and Chris Brown is not on her radar or mind at all," another source tells HollywoodLife.com. "She is not thinking of any exes, especially Chris, who she will never get back with ever again. Rihanna is moving forward and looking forward to see what this new relationship might bring."

The "Needed Me" songstress was caught making out with the 29-year-old businessman during her vacation in Spain. They were all over each other while chilling in a swimming pool.