Princess Beatrice and Edoardo Mapelli Mozzi quietly let daughter Sienna's milestone slip past following new chapter
Andrew Mountbatten-Windsor and Sarah Ferguson's daughter Princess Beatrice could be quietly marking Sienna's birthday on 18 September, days after she started the new school year.
Black News 
Andrew Mountbatten-Windsor and Sarah Ferguson's daughter Princess Beatrice could be quietly marking Sienna's birthday on 18 September, days after she started the new school year.
