Princess Eugenie jetted to Saudi Arabia to support her sister Princess Beatrice. Princess Beatrice, 35, spoke at the Open Forum: Meet the 21st Century Entrepreneurs event in Riyadh over the weekend. The event, part of the World Economic Forum, hosted several speakers including the Princess of York. The other speakers were Yara Ghouth, Maelle Gavet, Fahad bin Mansour bin Abdulaziz Al-Saud, Hisham Al-Falih, and Nabeel Koshak. Princess Eugenie, 34, attended the event to hear her older sister speak in the discussion panel. Beatrice spoke proudly on the panel about her involvement in the technologi…