Former 15th lady of France Valerie Trierweiler is nicknamed The Rottweiler . 50-year-old allegedly had altercation at café in Paris ' first 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 , 42 , a French TV actress .
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 , 42 , a French TV actress .