Princess Beatrice and Edoardo Mapelli Mozzi’s daughter Sienna undoubtedly has the pick of the world’s top destinations for her summer holidays. While Beatrice has been spotted jetting off to places like Saudi Arabia \- supported by her sister Princess Eugenie – for official engagements, years past have highlighted just which locales the Duke of York’s eldest daughter has picked out for her summer trips. GB News has pored over flight logs, social media posts and snippets of interviews past to find out just which royal residences and holiday haunts Beatrice and Edoardo will be whisking Sienna aw…