Chris Brown and Rihanna's dramatic on-and-off romance reached new heights when they took their spat to Twitter.
But the saga has grown even more complicated as an old lover re-emerged on Sunday night in Hollywood.
Chris was spotted partying at the same nightclub - Greystone Manor - as ex Karrueche Tran amidst rumours that the two have reunited less than a week after his split with Rihanna.
Love triangle: Chris Brown partied at the same club as ex Karrueche Tran amidst rumours that the two have rekindled their romance just a week after his break with Rihanna, pictured in West Hollywood, on Sunday night
Not to blame: The Vietnamese model is said to have re-entered Brown's life only after he and Rihanna split, pictured in the back seat of a passenger car
A source told HollywoodLife.com that Chris and Karrueche have been spending time together.
But apparently it's the Forever singer who rekindled the romance: 'He’s been initiating contact with her, not the other way around,' the source explained, 'I wouldn’t say Karrueche and Chris are together but they are talking and kicking it.'
Chris, 24, was dating the Vietnamese model just last year before he started things up with the Stay singer for the umpteenth time.
Quite the exit: Chris left the party in a red Porsche with a friend riding shotgun
Colourful duo: The Forever singer sported dyed blonde hair as his cohort featured an orange tint after partying with Karrueche
Rihanna and Chris' tumultuous romance was put on pause last week as the two fired cryptic tweets about one another's shortcomings.
But a source close to Brown claims that Karrueche's re-emergence is to blame for the blow out: 'When Chris was in NYC celebrating a friend’s birthday, Rihanna found out that Karrueche was in town.
'She found out that they met up and so she dumped him.'
Demure showing: Karrueche was clearly smiling in chagrin as she hid her face behind a tattooed hand
Why so giddy? Karrueche appeared to be quite happy after her night of partying with Chris
Another ex in the mix: Chloe Green, who used to date Brown, also partied at Greystone Manor, on Sunday night
Despite her involvement in the love triangle the burgeoning fashion designer refuses to accept her culpability in the matter.
'That’s not her problem,' the source stated, 'She gave them their space respectfully when they were together and it was only when Chris stopped talking to Rihanna that she started hanging with him.'
Meanwhile, Rihanna kept the jabs coming at her ex-boyfriend as she shared a series of late night snaps on a night out with friends in New York City on Friday.
Meanwhile: Rihanna celebrated a friend's birthday with a few playful spanks, on Sunday night
Girls' night out: The 25-year-old singer had some fun posing with her girls for a friend's birthday party
'Got a thang for a King, but chu ain't a King,' she exclaimed, captioning a lonesome photograph of herself handling a full martini glass.
The 25-year-old singer seemed to be happy as she enjoyed her casual night out, partying to the max with her closest girlfriends.
Before that she shared another late night post sitting in the back seat of a car attempting to put on a spiked black and silver crown while toking on a cigarette -- with a caption that insinuated her ex was not a 'real' man.
This drink is NOT for you: Rihanna shared a lonesome snap of herself on Friday night with a searing caption aimed at her ex Chris Brown
Although the meaning wasn't clear, the late night series was preceded by a day's worth of disses at her ex.
RiRi started it off, uploading an Instagram picture on Thursday with the words:
'If I drop all my hoes for you and we still don't work out you owe me some hoes.'
'I need a real man': The 25-year-old shared a snap calling her self a 'bad girl who wants a real' man
Without mentioning the Forever singer, the picture insinuates that Rihanna either dropped all her friends when she was with Chris or that he was unfaithful to her.
Chris then upped the nastiness factor by tweeting on Friday: 'She's not mine if she's everybody elses.'
The clearly targeted message comes after reports that Rihanna was partying with ex JR Smith on Tuesday after her show in New York.
Keeping her friends close: The Diamonds singer tweeted that she was out with her girlfriend 'wolfpack'
The former couple also sent out tweets on Wednesday that appeared to be directed at each other, with Chris tweeting:
'Sometimes loving someone is too much! So loving from a distance will help everyone grow! Be blessed. Live ya life!'
Rihanna then tweeted her own message a short while later, stating:
'Settling is not an option! Nothing less than 100% loyalty, honesty, and respect!! Love ain't for kidz #butimsleeptho'.
Read more: http://www.dailymail.co.uk/tvshowbiz/article-2323847/Chris-Brown-parties-club-ex-Karrueche-going-Twitter-row-girlfriend-Rihanna.html#ixzz2TFkH8RtQ
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