The current state of the former couple's relationship is constantly scrutinised by the public with rumours often suggesting they're either back together or not speaking.
Rihanna, 26, and Chris, 25, were childhood sweethearts. They split after Chris was arrested before the Grammy Awards in 2009 for assaulting Rihanna in a car, leaving her bloodied and bruised.
Since then, the state of their relationship has been a constant source of speculation.
Rihanna has said in the past that Chris was her first love and she wants him to be happy in life, and they have worked on music together since the incident.
And speaking with Access Hollywood this week, singer Chris confirmed: "Me and her and friends. We have a great understanding. There's no issues"
Chris went on to say if Rihanna wanted him to work on music with her he'd be there in a flash, while he knows she'd happily collaborate with him on a project if he asked her to.
"That friendship, I think speaks volumes without having to speak," he said. "We've been friends and known each other for almost 10 years, the same amount of time I've been doing music. I don't think that's ever gonna change… we're friends."
Chris is now dating model Karrueche Tran.
Last month, Rihanna was pictured courtside in New York while Chris took part in a charity basketball match. Sitting next to her best friend Melissa Forde, the singer was among the audience cheering on players at the Summer Classic Charity Basketball Game at Barclays Centre.
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