A second photo of Princess Latifa al Maktoum emerged on Saturday evening She is seen sitting at a table next to Sioned Taylor, a Dubai-based maths teacher Earlier, a photo showed Latifa in public for the first time in almost three years The photos come after the princess, 34, alleged she was being held hostage Latifa he said her family were holding her in a villa after an attempted escape Campaigners have urged UAE officials to provide proof of life for the princess The UAE royal family claim Latifa is suffering from mental health problems