By Zoe Delaney The Royal Family found themselves ruthlessly mocked on social media as the96th Academy Awards aired, hours on from major photo agencies issuing a “kill notice” on a picture of Kate Middleton and her three children. Kensington Palace attempted to shut down speculation regarding the mum-of-three on Mother’s Day amid her absence from public life, with the official Instagram account for the Prince and Princess of Wales sharing a snap that seemed to show Kate smiling with her kids, Prince George, 10, Princess Charlotte, nine and Prince Louis, five. But major photo agencies, including…