According to reports out of Australia, McIlroy's girlfriend of more than a year, Caroline Wozniacki, sported a diamond ring on her left ring finger at the airport Friday when she arrived to compete in the Brisbane International. McIlroy has reportedly accompained Wozniacki to Australia for the tennis event, which begins Sunday.
The tennis star, 22, and McIlroy, 23, have been dating since 2011. McIlroy won five events around the world in 2012 and climbed to No. 1 in the world golf ranking. Wozniacki, a former No. 1 tennis player, won two titles 2012 and is currently ranked 10th. The high-profile duo have been spotted together numerous times in the past year. Related Photos: Around the world with McIlroy and Wozniacki Related Photos: Rory McIlroy's 2012 season in review Related Photos: McIlroy's career in pictures (Photo: Warren Little/Getty Images)