Tennis world number two Caroline Wozniacki has been unveiled as ambassador for Lympo, an app which motivates people to exercise and adopt a healthy lifestyle.

The Australian Open winner will promote the app to her fans and the wider sports community, and commented 'Sport is my life and what motivates me every morning when I wake up to work hard and be the best I can be. I believe in Lympo's goal to encourage people to exercise and be healthy. Lympo has a game-changing idea to use technology to inspire positive lifestyle changes'.