The rumour mill has gone into overdrive after Chris Brown unfollowed Rihanna on Twitter (which we all know spells it is O-V-E-R), and we think we know what has driven him to it.

Just call us Sherlock Holmes.

Snaps of Rihanna smooching a man who is not her badboy lover have emerged, as she partied in New York on Sunday night following her Diamonds world tour stopping in the city.

rihanna chris brown twitter

Justin Laboy uploaded a picture of himself cosying up to the star on Twitter as the two got friendly in a club.

"Me and my wife @Rihanna out here tonight," he wrote alongside the snap of him pecking Rihanna on the cheek.

rihanna

Just a few hours after the photos were posted, Chris unfollowed Rihanna on Twitter, and posted some cryptic messages.

“Just remember to keep ya m*******kin head up!” he wrote.

And if that wasn't enough, he then followed his ex Karrueche Tran.

She then wrote on the social networking site: “How you stay faithful in a room full of h**s?”

What an earth can this all possibly mean?!

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  • RiRi hit back at fans who dared to question what the suspicious white powder on top of the man's head was in a photo she posted at Coachella Festival, labelling them 'pathetic c*nts'. Nice.

  • While there isn't hardly an inch of Rihanna's skin we haven't seen before, we were still shocked when she stripped completely naked for GQ in 2012.

  • Rihanna used to love the c-word, and would wear it emblazoned on necklaces and t-shirts, that was until she was shocked to discover the word was actually offensive.

  • As RiRi hit a strip club with her pals in 2012, she was seen throwing dollar bills at the performers. She tweeted: "#ROCstarshit my daddy would be proud". Yep, bet he was beaming.

  • When Rihanna appeared on 'The X Factor' final in 2010 along with Christina Aguilera, their raunchy performances racked up over 1,000 complaints to media regulator Ofcom. It led to a ruling stars would have to cover up to appear on TV before the 9pm watershed.

  • Rihanna was seen brazenly smoking a suspicious looking cigarette whilst holidaying in Hawaii in 2012. She even tweeted: "Kush rolled, glass full...I prefer the better things!" - and for those of you not down with drug lingo (unlike Rihanna), 'kush' is a type of marijuana from the Middle East.

  • "Come here rude boy, boy can you get it up?" sings Rihanna on her 2010 hit 'Rude Boy'. Such a good role model.

  • Rihanna had us all worried when she tweeted a picture of herself hooked up to a drip and then went quiet. While everyone speculated she had been rushed to hospital, suffering from exhaustion, others said she was receiving an intravenous vitamin boost, popular with many popstars.

  • Rihanna and Chris Brown teamed up to record 'Birthday Cake' for her sixth album 'Talk That Talk' in 2011, giving us the first sign they were back in contact after he beat her in 2009.

  • Rihanna dresses as a weed fairy for a Halloween party in Hollywood in 2012. Whatever happened to plain old Frankenstein, eh?

  • While most of the male population may love RiRi getting naked, one person who didn't was farmer Alderman Alan Graham. After she froliced around topless while on his farm to film the video to 'We Found Love' in 2010, he insisted the star cover up or get off his land.

  • This was the scene of a New York nightclub in June 2012 after a brawl erupted between Chris Brown and Drake, allegedly over Rihanna.

  • The world was aghast when Rihanna confessed she was still in love with ex Chris Brown during a tearful interview with Oprah Winfrey in 2012.

  • Rihanna unveiled a shocking new addition to her body art in 2009 - a tattoo of a gun on the side of her rib cage.

  • Rihanna singing about 'chains and whips', whilst provocatively sucking on her finger. Her video for 201 hit 'S&M' was RiRi at her saucy pop best.

  • In what was to become the biggest PR disaster ever, Rihanna invited a bunch of journalists and fans to fly around the world with her as she plays seven gigs in seven countries in seven days. The result was far from a party in the sky, with the journos comparing it to prison as RiRi refused them access to her, and only made two brief appearances during the whole week.

  • Amid rumours they were more than just friends again, Rihanna planted a smacker on ex Chris Brown at 2012's MTV VMAs, leaving viewers gobsmacked.

  • Rihanna was at the centre of a race row when she picture of a bag of rice cakes wearing sunglasses and a pair of earrings alongside the caption: "Ima a make u my b****". Later in 2012, her best friend used the term (which is a slur against people from Asia) to insult Chris Brown's ex Karrueche Tran, who is part Asian.

  • She may have appeared as a guest at the Victoria's Secret Show in 2012, but RiRi saved her sauciest antics for after the show when she tweeted a snap of herself in a state of undress.

  • Rihanna has never made any secret of her fondness for a bit of the green stuff and told fans she 'didn't really give a f*ck' what they thought when she tweeted a picture of a nug of weed in 2012. Charming.

  • After months of speculation, Rihanna finally confirmed she was back wither her abusive ex Chris Brown in an interview with Rolling Stone magazine in January 2013.

  • RiRi was branded a 'desperate freak' by PETA in 2012 when she stepped out wearing snakeskin boots. "Rihanna may not have a clue that snakes killed for boots are often nailed to a tree and skinned alive. Of course, they can't go on Oprah to cry about it," they said. Ouch.

  • Rihanna seemed to enjoy riding on a rather suggestive looking pink tank during Last Girl On Earth tour in 2010 a little too much, if you ask us.

  • Rihanna was criticised for a shaky performance at a Swedish music festival in 2012 after she arrived 45 minutes late on stage, seemed disorientated and was accused of miming. It followed the death of her beloved GranGran Dolly days earlier.

  • Errr, yes Rihanna, we can see your nipples. And your underwear.

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  • MTV Video Music Awards - Las Vegas - Arrivals

    Rihanna arrives for the MTV Video Music Awards at Palms Casino Resort, Las Vegas.

  • MTV's TRL - Total Request Live-show - Leicester Square

    Rihanna.

  • MTV Europe Music Awards 2006 - Press Room

    AP OUT Rihanna arrives for the MTV Europe Music Awards in Copenhagen, Denmark.

  • 2006 MOBO Awards

    Rihanna attends the 2006 MOBO Awards at London's Royal Albert Hall.Picture: UK Press

  • Nobel Peace Prize Press Conference at the Plaza Hotel in Oslo

    Rihanna attends a Nobel Peace Prize Press Conference at the Plaza Hotel in Oslo.Picture: UK Press

  • The MOBO Awards Launch Party

    Rihanna attends The MOBO Awards Launch Party in London.Picture: UK Press

  • World Music Awards 2007 Arrivals - Monte Carlo

    Rihanna arrives for the World Music Awards 2007 at the Sporting Club Casino in Monte Carlo, France.

  • MTV Video Music Awards 2008 - Los Angeles

    Rihanna arrives for the MTV Video Music Awards 2008, at Paramount Studios, Hollywood, Los Angeles, California.

  • MTV Movie Awards 2007

    Rihanna arrives for the 2007 MTV Movie awards at the Gibson Amphitheatre, Universal City, Los Angeles.

  • American Music Awards - Los Angeles

    Rihanna arrives at the American Music Awards 2007 at the Nokia Theatre in Los Angeles.

  • American Music Awards - Los Angeles

    Rihanna arrives at the American Music Awards 2007 at the Nokia Theatre in Los Angeles.

  • Inglourious Basterds Premiere - London

    Rihanna arrives at the premiere of 'inglourious Basterds' at the Odeon Cinema in Leicester Square, London

  • Rihanna at Westfield

    Rihanna during a photocall to promote her UK arena tour, at the Westfield Shopping Centre, London.

  • Rihanna visits Capital FM - London

    Rihanna visits Kat Shoob at Capital FM in London.

  • Rihanna - Las Vegas

    Rihanna hosts a New Years Eve Party at PURE Nightclub at Caesars Palace Hotel and Casino, Las Vegas

  • Rihanna switches on Westfield Shopping Centre lights - London

    Rihanna before she turns on the Christmas lights at the Westfield shopping centre in London.

  • MTV Europe Music Awards 2010 - Arrivals - Madrid

    Rihanna arriving for the 2010 MTV Europe Music Awards, at the Caja Magica, Manzanares Park, Madrid, Spain.

  • Brit Awards 2011 - Arrivals - London

    Rihanna arriving for the 2011 Brit Awards at the O2 Arena, London.

  • 2011 Billboard Music Awards - Las Vegas

    Rihanna during the 2011 Billboard Awards held at the MGM Grand Garden Arena, Las Vegas

  • Capital Radio Summertime Ball - London

    Rihanna backstage at the Capital FM Studios for the Capital FM Summertime Ball 2010 held at wembley stadium in London

  • Pussycat Dolls in concert - Cardiff

    Rihanna performs at the Cardiff International Arena on the same bill as the Pussycat Dolls.

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    Rihanna arriving for the 2011 Brit Awards at the O2 Arena, London.

  • V Festival 2011 - Chelmsford

    EDITORIAL USE ONLY : Rihanna performing on the V Stage, during the V Festival at Hylands Park in Chelmsford, Essex. PRESS ASSOCIATION Photo. Picture date: Sunday August 21, 2011. Photo credit should read: Yui Mok/PA Wire

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    Rihanna is pictured during a photocall to launch her fragrance Reb'l Fleur, at House of Fraser on Oxford Street, central London.

  • Rihanna in Belfast

    Rihanna is mobbed by fans and members of the media during the second day of filming her new pop video in the new Lodge area of north Belfast.

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    Rihanna during the first day of filming her new pop video in a field in Co Down.

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    EDITORIAL USE ONLY. NO MERCHANDISING. Rihanna performing on the V Stage, during the V Festival at Hylands Park in Chelmsford, Essex.

  • Rihanna switches on Westfield Shopping Centre lights - London

    Rihanna before she turns on the Christmas lights at the Westfield shopping centre in London.

  • Brit Awards 2012 - Show - London

    Rihanna performs on stage during the 2012 Brit awards at The O2 Arena, London.

  • Stella McCartney Presentation - London Fashion Week

    Rihanna arriving for the Stella McCartney Winter 2012 London Evening Wear Presentation, in Mayfair, central London.

  • Capital FM's Jingle Bell Ball - Saturday - London

    Rihanna on stage during the 2011 Capital FM Jingle Bell Ball at the O2 Arena, London.

  • Battleship photocall - London

    Rihanna is seen at a photocall for new film Battleship at the Corinthia Hotel in London.

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    EMBARGOED TO 1900 AUGUST 12File photo dated 21/02/12 of Rihanna whose sixth album Talk That Talk is back in the number one spot after 38 weeks in the charts.

  • American Music Awards - Los Angeles

    Rihanna arrives at the American Music Awards 2007 at the Nokia Theatre in Los Angeles.

  • Radio 1's Hackney Weekend - London

    Rihanna performs at the Radio 1 Hackney Weekend at Victoria Park, Hackney, London.

  • Barclaycard Wireless Festival 2012 - London

    Rihanna performs at the Barclaycard Wireless Festival 2012 at Hyde Park in London.

  • MTV Video Music Awards 2012 - Arrivals - Los Angeles

    Rihanna arriving at the MTV Video Music Awards at the Staples Centre, Los Angeles.

  • 2012 iHeartRadio Music Festival - Day 1 - Show

    LAS VEGAS, NV - SEPTEMBER 21: Singer Rihanna performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images for Clear Channel)