Caroline Wozniacki of Denmark celebrates victory with the Billie Jean King trophy in the Singles Final against Venus Williams of the United States during day 8 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore...More

Tennis player Caroline Wozniacki poses for the 2017 Sports Illustrated swimsuit issue on September 13, 2016 on Turks & Caicos Islands. PUBLISHED IMAGE.

Caroline Wozniacki of Denmark poses with the Daphne Akhurst Memorial Cup on a punt whilst taking a ride on Ornamental Lake in the Royal Botanical Gardens after winning the 2018 Women's Singles Australian Open Championship on January...More

Caroline Wozniacki of Denmark celebrates winning match point in her semi-final match against Elise Mertens of Belgium on day 11 of the 2018 Australian Open at Melbourne Park on January 25, 2018 in Melbourne, Australia.

Caroline Wozniaki arrives ahead of the 2018 Crown IMG Tennis Player at Crown Palladium on January 14, 2018 in Melbourne, Australia.

Champion Caroline Wozniacki of Denmark poses with the Billie Jean King trophy after her victory against Venus Williams of the United States in the final of the BNP Paribas WTA Finals Singapore presented by SC Global at Clifford Pier on...More

Caroline Wozniacki of Denmark celebrates victory in her singles semi final match against Karolina Pliskova of Czech Republic during day 7 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October...More

Caroline Wozniacki of Denmark celebrates victory in her singles match against Simona Halep of Romania during day 4 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 25, 2017 in Singapore.

Caroline Wozniacki of Denmark celebrates victory in her singles match against Elina Svitolina of Ukraine during day 2 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 23, 2017 in...More