Kate Beckinsale lost her beloved Pomeranian Myf during Fourth of July celebrations. The ‘Serendipity’ actress, 50, who is still mourning the 2023 death of her cat Clive, told fans on her Instagram she had spent a traumatising chunk of the holiday searching for her pet – who scarpered out of fear over fireworks being blasted outside Kate’s house. She announced the pup had disappeared by posting a snap of the animal on social media with the caption: “Myf has gone missing if anyone finds her in the Beverly Hills area please can you DM me thank you so much.” An hour later, she confirmed Myf had be…