Caroline Wozniacki dons a curly black wig to impersonate her other half at the Sony Open players' party in Miami in March 2013.

In December 2012 Caro and Rory take in an NBA game between the Miami Heat and Washington Wizards at American Airlines Arena in Miami.

Caroline is all smiles while walking the course with Rory on day three of the Turkish Airlines World Golf Final at the Antalya GC on October 11, 2012 in Antalya, Turkey.

Caroline and Rory arrive at the Olympic Village just priot to the London 2012 Olympics at the Olympic Park on July 26, 2012 in London. Golf wasn't a sport this time around, but will Rory be competing in Rio?

Caroline, who already stands taller than Rory, put on a pair of heels for the Dubai Duty Free Race Day at Newbury Racecourse on April 20, 2012 in Newbury, England. Just a suggestion, Caro, but please leave the heels at home next time.

In a rare sight, fans at Madison Square Garden in March 2012 witnessed Rory pick up a racquet and join his girlfriend Caroline on the court during her exhibition match against Maria Sharapova during the BNP Paribas Showdown.

Rory and Caroline stand back during his practice round at the 2012 Omega Dubai Desert Classic on the Majilis Course at the Emirates Golf Club on February 7, 2012 in Dubai. McIlroy finished the tournament tied for fifth.

Aug. 27, 2011: Caroline Wozniacki and Rory McIlroy appear on the EPSN Game Day desk with Cliff Drysdale and Mary Joe Fernandez after her win over Petra Cetkovska of the Czech Republic during the final of the New Haven Open at Yale.
 

Nov. 2, 2011: Caroline Wozniacki swaps her tennis racquet for a golf club as her boyfriend Rory McIlroy looks on during the pro-am party prior to the start of the WGC-HSBC Champions at Sheshan International Golf Club in Shanghai, China.
 

Nov. 1, 2011: Rory McIlroy poses alongside his girlfriend Caroline Wozniacki during the Welcome Reception at the Waitanyuan prior to the start of the WGC-HSBC Champions in Shanghai.
 

Aug. 27, 2011: Caroline Wozniacki's father Piotr Wozniacki (left) and Rory McIlroy applaud as Caro receives the winner's trophy after defeating Petra Cetkovska of the Czech Republic at the New Haven Open.

Nov. 5, 2011: Rory McIlroy walks with Caroline Wozniacki after the third round of the WGC-HSBC Champions at Sheshan International Golf Club.

Oct. 22, 2011: Rory McIlroy arrives at the practice court next to the Sinan Erdem Stadium with girlfriend Caroline Wozniacki prior to the WTA Championships in Istanbul, Turkey.
 

Aug. 26, 2011: Caroline Wozniacki of Denmark and golfer Rory McIlroy of Northern Ireland pose with members of the Yale football team after her win over Francesca Shiavone of Italy during the semifinals of the New Haven Open at Yale.