Valerie Trierweiler was reported to police over the incident at the Paris café . Valerie Trierweiler was yesterday reported to police for slapping a man who asked her ironically : ‘ How ’ s Francois Hollande ? ’ The 50-year-old former first lady of France , who is nicknamed ‘ The Rottweiler ’ , was last year unceremoniously kicked out after President Hollande started seeing another woman behind her back . Ms Trierweiler claimed she went into a severe depression over the affair between Mr Hollande and the TV actress Julie Gayet , 42 , before writing a kiss-and-tell book . Yesterday she was having a coffee in a café in the 15th arrondissement of Paris , where she once shared a home with her ex-boyfriend . She got into a heated argument with the owner of the café , who adopted an ‘ ironic tone ’ as he asked Ms Trierweiler for ‘ news ’ about Mr Hollande . The President is still seeing Ms Gayet , and is said to have stopped communicating with Ms Trierweiler because of the unpleasant things she wrote about him in her memoire . RTL radio reported that the café owner had been discussing ‘ Thank You For This Moment ’ , in which Ms Trierweiler portrays Mr Hollande as a lying philanderer . She also says the Socialist politician is a champagne left-winger who secretly mocks the poor when he is with his rich friends . Scroll down for video . When the café owner refused to apologise for his remarks , Ms Trierweiler is understood to have slapped him in the face . He reported the attack to police , complaining he was the victim of assault . Ms Trierweiler was never married to Mr Hollande , and was said to have destroyed his earlier relationship with Segolene Royal , the mother of Mr Hollande ’ s four children . Francois Hollande ( right ) and Ms Trierweiler together in happier times , when Hollande was running for president . Mr Hollande is still seeing TV actress Julie Gayet . His affair with her ended his relationship with Ms Trierweiler . There are also well documented claims that Ms Trierweiler once shared Mr Hollande ’ s affections with a right-wing politician , Patrick Devedjian , who was married at the time . Ms Trierweiler is also notorious for her short temper , and has been accused of using violence in the past . In September , the divorcee was seen slapping the face of the ex-wife of Finance Minister Michel Sapin , after scratching her face and pulling her hair in a late night bar . Ms Trierweiler was also rumoured to have gone on a rampage in the Elysee Palace after learning of Mr Hollande ’ s infidelity with Ms Gayet , smashing up more than £2.5million worth of vases , clocks and paintings , all part of France ’ s national heritage . Ms Trieweiler , a Paris Match political affairs writer who is said to have earned more than a million pounds for her book , denied the vandalism accusations , but had no immediate comment on today ’ s revelations . Since leaving the Elysee she has been working extremely hard to improve her public image , but remains extremely unpopular in France . Many have accused her of using her position as a former presidential consort to make as much cash as possible .
Former first lady of France Valerie Trierweiler is nicknamed The Rottweiler . 50-year-old allegedly had altercation at café in Paris ' 15th arrondissement . Owner said to have used ‘ ironic tone ’ when asking about Francois Hollande . Ms Trierweiler 's relationship with French president ended over his infidelity . Mr Hollande is still seeing paramour Julie Gayet , today , a French TV actress .