The number of people heading to Dubai on holiday could be set to rise following a ringing endorsement by one sporting superstar.In news that could interest property investors and others in the emirate, Real Madrid footballer Recardo Kaka has revealed that he was overwhelmed on his recent trip to the Middle East.The Brazilian ace – who is being courted by Chelsea, Arsenal and Paris Saint German – recently flew into Dubai for a ten-day family holiday.Staying in the emirate as a guest of the Dubai Department of Tourism and Commerce Marketing (DTCM), Kaka said the city is one of the world's leaders."Dubai is a wonderful city and one of the nicest in the world. I am honoured to be here for the family holiday," he commented."I thank the DTCM for the wonderful opportunity given to me to visit the emirate. I am overwhelmed with the hospitality I enjoyed here and we plan to come again to Dubai soon."