Chris Brown has added to recent speculation that he's back with former girlfriend Rihanna.
The pair were reported to have spent the night partying alongside each other in Hollywood.
Brown posted a cryptic message to fans: ''can't stop lookin', which suggests Rihanna may have caught his eye in her daring outfit.
Rihanna Blasts Chris Brown In Twitter Rant
Rihanna also tweeted around the same time: 'What a crazy night?!!'
A source told RadarOnline: 'They have probably hooked up no more than half a dozen times in the past year.
'Rihanna doesn't care if she were to get public backlash if they were to reconcile, she is the one calling the shots now, which she likes.'
Meanwhile, Rihanna and Chris Brown could be set to reunite at this year's Grammy Awards.
The pair, who have recently fuelled recent rumours that they are back together, will both be performing at the Grammy Awards.
Rihanna and Coldaplay will take to the stage to perform their duet 'Princess Of China', while Brown is reportedly set to make his first appearance at the awards since assaulting Rihanna back in 2009.
Rihanna - live
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