WTA glamour girls Caroline Wozniacki and Ana Ivanovic, both former world no. 1s, have been signed on as brand ambassadors for Dubai Duty Free.

"Dubai has a special place in my heart and it feels great to return this year as defending champion of the Dubai Duty Free Tennis Championships," Wozniacki commented. "Being an ambassador for Dubai Duty Free is a great honor and it gives me the opportunity to help promote one of my favorite destinations."

"I am really flattered that Dubai Duty Free asked me to become its brand ambassador," Ivanovic told reporters. "It is a great company that has also been extremely supportive of women's tennis. I always get excited about traveling to Dubai as it is one of the most exciting cities in the world."