Grammys: Rihanna wears diamond ring on engagement finger, sparks Chris Brown proposal rumours

Last night, Rihanna and Chris Brown made their first public outing since Rihanna confirmed they were back together last month.

Rihanna was wearing a diamond band on her engagement finger last night. Copyright [PA/Getty]

Rihanna and Chris Brown attended the Grammys together and looked every inch the loved up couple as they cosied up together during the ceremony.

[Related article: Rihanna and Chris Brown's Grammys PDA]

[Related article: Rihanna confirms she's back with Chris Brown]

However, as Rihanna took to the stage to perform, it was clear that the singer was wearing a diamond ring on her engagement finger.

Cue all sorts of worrying thoughts about Chris Brown proposing to her, and the pair actually getting married.

Rihanna and Chris Brown were very cosy last night. Copyright [Rex]And it seems we weren't the only ones concerned that the pair could be engaged.

Tweeters were quick to comment, with one saying: "Rihanna is wearing a diamond on her left ring finger. Really?"

Another said: "Hope that's just an accessory."

Yes, we hope so too.

Rihanna's diamond band sparked engagement rumours. Copyright [PA]Rihanna and Chris Brown's attendance together at last night's Grammys actually marked four years since he assaulted her at a Grammys pre party.

However, the pair looked happy and relaxed as they sat next to each other last night.

Rihanna confirmed that the romance was back on, saying: "I decided it was more important for me to be happy. I wasn't going to let anybody's opinion get in the way of that. Even if it's a mistake, it's my mistake. After being tormented for so many years, being angry and dark, I'd rather just live my truth and take the backlash. I can handle it."

Hmm, we're not so sure WE can handle an engagement.