The 24-year-old Danish Wozniacki and Northern Irishman McIlroy both took to Twitter Tuesday to announce they would be tying the knot at a date yet to be set.
"Rory and I started 2014 with a bang! ... I said YES!!!!" tweeted Wozniacki, the current world No. 10 women's player.
"My first victory of 2014 #shesaidyes!!" McIlroy said in his own tweet.
The pair have been an item since 2011. McIlroy popped the question in Australia where his future wife is preparing for the Australian Open.
Celebrity Breakups and divorces of 2014 [PHOTOS]