Petra Kvitova (R) of the Czech Republic poses with the winner's trophy and Princess Haya Bint Al-Hussein, wife of the ruler of Dubai Sheikh Mohammed Bin Rashid Al Maktoum, after her women's singles final match against Sara Errani of Italy during the WTA Dubai Tennis Championships, February 23, 2013. REUTERS/Mohammed Salem (UNITED ARAB EMIRATES - Tags: SPORT TENNIS ROYALS)