Tiger Woods, Lindsey Vonn at British Open 2013 at Muirfield

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U.S. skier Lindsey Vonn joined her boyfriend Tiger Woods for his practice round at Muirfield on Monday.
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Woods and Vonn went public with their relationship in March by posting photos on Facebook.
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Vonn has been a regular at big Tour events this year.
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Vonn is the most successful American skier in history. In addition to her numerous World Championship titles, she won a gold and bronze medal at the 2010 Olympics in Vancouver.
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Woods is taking another shot at his 15th major championship this week.
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He has three British Open wins in his career.
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He is also recovering from an elbow injury that was aggravated at last month's U.S. Open.
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Vonn and Woods' caddie Joe LaCava observe Woods practicing on Monday.
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Vonn suffered a gruesome knee injury during this year's World Championships, tearing her ACL, MCL and fracturing her tibia, all in her right knee. She says she will be recovered in time for the 2014 Olympics.
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Woods worked with his swing instructor Sean Foley during the round.
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