Lewis Hamilton is in mourning after revealing his beloved pet dog Coco died suddenly on Thursday night, despite his efforts to try and "revive her" after her "heart gave in".The Formula 1 driver paid tribute to his pet pooch – he also has another British Bulldog named Roscoe – on social media, sharing some sweet photos of her as he revealed Coco "died at home with the family by her side".MORE: Bilbo Baggins actor Sir Ian Holm dies aged 88 Lewis Hamilton's dog Coco died on ThursdayPosting on