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Reema Alwaleed bin Talal, the daughter of Saudi Arabia's billionaire Prince Alwaleed bin Talal, looks on as her father speaks during a press conference in the Saudi capital, Riyadh, on July 1, 2015. Alwaleed pledged his entire $32-billion (28.8-billion-euro) fortune to charitable projects over the coming years. The prince said in a statement that the 'philanthropic pledge will help build bridges to foster cultural understanding, develop communities, empower women, enable youth, provide vital disaster relief and create a more tolerant and accepting world.' AFP PHOTO / FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

Reema Alwaleed bin Talal, the daughter of Saudi Arabia's billionaire Prince Alwaleed bin Talal, looks on as her father speaks during a press conference in the Saudi capital, Riyadh, on July 1, 2015. Alwaleed pledged his entire $32-billion (28.8-billion-euro) fortune to charitable projects over the coming years. The prince said in a statement that the 'philanthropic pledge will help build bridges to foster cultural understanding, develop communities, empower women, enable youth, provide vital disaster relief and create a more tolerant and accepting world.' AFP PHOTO / FAYEZ NURELDINE        (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)