April 9, 2014: Caroline sported a pink 'do during the practice rounds leading to the 2014 Masters. She gave Rory a kiss after finishing the Par 3 contest.
2 of 24REUTERS/Mike Segar
April 10, 2014: Wozniacki's pink hair was a fixture during the open days of the Masters.
3 of 24Jack Gruber-USA TODAY Sports
April 9, 2014: Wozniacki and McIlroy celebrate after Caroline rolled in a long putt during the Par 3 Contest.
4 of 24GLYN KIRK/AFP/Getty Images
June 20, 2013: Rory chats with Caroline during the AEGON International tennis tournament in England.
5 of 24Francois Nel/Getty Images
Nov. 17, 2013: Caroline watches Rory during the final round of the DP World Championships in Dubai.
6 of 24Ross Kinnaird/Getty Images
Nov. 14, 2013: Caroline joins Rory for the first round of the DP World Tour Championship in Dubai.
7 of 24Simon Bruty/Sports Illustrated
Aug. 13, 2013: Wozniacki sported a safari chic outfit while following Rory during the third round of the 2013 Masters.
8 of 24Jan Kruger/Getty Images
June 20, 2013: Rory watches Caroline warm up before competing at the AEGON International tennis tournament at Devonshire Park in England.
9 of 24UPI/Kevin Dietsch /LANDO
April 13, 2014: Wozniacki watches Rory play the final round of the 2014 Masters. He shot 69.
10 of 24Warren Little/Getty Images
October 11, 2012: Wozniacki accompanied McIlroy to the Turkish Airlines World Golf Finals.
11 of 24David Cannon / Getty Images
Nov. 25, 2012: Wozniacki posed with McIlroy after the top-ranked golfer won the Dubai World Championship for his fifth title of the season. Wozniacki also grabbed a headline when she dropped in on McIlroy's press conference earlier in the week.
12 of 24Mark Humphrey/AP
July 31, 2012: Before heading to the WGC at Firestone, McIlroy watched Wozniacki prepare for the Olympics in London.
13 of 24Alexander Hassenstein/Getty Images
July 26, 2012: Wozniacki and McIlroy arrived in London before the start of the 2012 Olympic Games.
14 of 24David Cannon/Getty Images
June 29, 2012: Wozniacki watched McIlroy at the 2012 Irish Open in Portrush, Northern Ireland.
15 of 24Dean Mouhtaropoulos/Getty Images
June 28, 2012: Wozniacki watched the first round of the Irish Open with Gerry McIlroy (Rory's father).
16 of 24Matthew Lewis/Getty Images
June 19, 2012: McIlroy traveled to Eastbourne, England, to watch Wozniacki in the AEGON International the week before competing in the Irish Open.
17 of 24Chris Trotman/Getty Images
March 5, 2012: When Wozniacki played Maria Sharapova in an exhibition at Madison Square Garden, McIlroy came out of the stands to hit a few shots.
18 of 24BEC Tero/AFP/Getty Images
Dec. 30, 2011: While Wozniacki was in Thailand for a charity event, the couple prayed at a Buddhist temple in Hua Hin.
19 of 24Paul Childs/Action Images/ZUMAPRESS.com
Dec. 10, 2011: Wozniacki also spent time with Gerry McIlroy at the Dubai World Championship.
20 of 24Paul Childs/Action Images/ZUMAPRESS.com
Nov. 4, 2011: Wozniacki slipped inside the ropes to watch McIlroy at the WGC-HSBC Champions in Shanghai.
21 of 24Julian Finney/Getty Images
Oct. 22, 2011: McIlroy stopped in Istanbul, Turkey, to watch Wozniacki at the WTA Championships.
22 of 24Fred Beckham/AP
Aug. 26, 2011: Wozniacki and McIlroy celebrated with the Yale football team after her 7-6, 6-3 semifinal victory over Francesca Schiavone at the New Haven Open.
23 of 24Al Behrman/AP
Aug. 14, 2011: McIlroy visited Wozniacki before the Western and Southern Open in Mason, Ohio.
24 of 24Simon Bruty/SI
June 28, 2011: Shortly after he won the U.S. Open at Congressional, McIlroy watched Wozniacki from the Royal Box at Wimbledon.
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