It looks as though Rihanna is serious about getting back together with Chris Brown following the reports that she has given him an ultimatum to either dump his current girlfriend or lose her forever.

Having involved herself in a Twitter war with Karrueche Tran earlier this month, RiRi has now given Chris just 14 days to decide who he wants to stay with.

Rihanna said: "Ditch her within two weeks or I’m gone for ever", according to a magazine.

However, it appears as though Rihanna isn't the only one dishing out ultimatums as Chris has said that he will only reunite with the 'Rude Boy' singer if she goes public with their romance.

A source said: "Rihanna wants to be with Chris. She has told him to get rid of Karrueche within two weeks. There’s a good chance Chris would be with Rihanna if she could be open about it. But until she’ll walk a red carpet on his arm, he won’t think about taking Karrueche out of the picture.”

Since Rihanna's and Karrueche's Twitter spat, the model is reportedly "terrified" by the death threats she's received from Riri's fans.

What do you think Chris will do?

Rihanna may be dropping hints on Twitter that she's getting back together with Chris Brown.

The pop star tweeted suggestive song lyrics over the weekend and appears to be prepping for the inevitable backlash that would come her way if she and her abusive ex reunite. When the pair recently teamed up, releasing remixes featuring each others' vocals, they both received an onslaught of criticism.

Quoting the Beres Hammond song "They Gonna Talk," Rihanna tweeted, "When they see me with you, wonder what the crowd would say? When they find us together, what will all the people say?"

Is the couple getting back together?