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OTRC: Rihanna argues with fan after the singer begins following Chris Brown on Twitter

Rihanna appears in a still from her 'California King Bed' music video. (YouTube)

Rihanna and Chris Brown may have moved on from their past, but some fans are vocal about the two singers following each other on Twitter.

Rihanna and Brown began following each other on Twitter recently and a fan was quick to let Rihanna know she didn't think it was the right move. "@rihanna I never thought you would go back to him! You better not, its your life but you do have ppl that look up to you. e.g young girls," iStan4Rihanna wrote on Friday.

The singer quickly responded, "Its [expletive] twitter, not the alter! calm down." Shortly after, the singer apologized to the fan saying,"babygirl I'm sorry, I didn't mean to hurt or offend u! Just needed to make it clear to the Navy! I still Stan for u xoxo."

Brown, a 21-year-old R & B artist, had pleaded guilty to felony assault for attacking the pop and R & B singer, his then-girlfriend, and was sentenced to five years of probation and six months of community service.

After the confrontation, Rihanna, 23, obtained a restraining order against Brown. In February, it was downgraded to a lower level. The two are allowed to contact each other.

Though Rihanna might be seeing Chris Brown's Tweets in her feed, the singer said in a March interview with Rolling Stone that she and Brown "don't have to talk ever again in my life," and adding that she agreed to downgrade the restraining order because, "I just didn't want to make it more difficult for him professionally. What he did was a personal thing - it had nothing to do with his career."

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