Prince Harry could make a “convenient excuse” not to appear at the unveiling of his late mother Princess Diana’s statue, a royal expert has predicted.The Duke of Sussex, 36, is said to have been left shocked by the “frosty reception” he received as he appeared at Prince Philip’s funeral earlier this month. Prince Harry was reunited with the Royal Family for the first time after his and wife Meghan Markle’s explosive interview with Oprah Winfrey.