Australia

4fcf2bc0d2716e02490f6a706700ecee.jpg

Andy Murray of Britain makes a forehand return to Stephane Robert of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Rick Rycroft)

cbc8d830d2d37002490f6a7067007636.jpg

Music artist Redfoo poses for a fan's photo as he watches his girlfriend Victoria Azarenka of Belarus play Sloane Stephens of the U.S. in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014. (AP Photo/Aaron Favila)

815b4a3fd1f26c02490f6a70670016dc.jpg

Sloane Stephens of the U.S. makes a forehand return to Victoria Azarenka of Belarus during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014. (AP Photo/Aaron Favila)

2350ba94d1fd6c02490f6a706700aba6.jpg

Victoria Azarenka of Belarus celebrates after her fourth round win over Sloane Stephens of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Eugene Hoshiko)

341684c6d2d27002490f6a70670004ee.jpg

Music artist Redfoo watches his girlfriend Victoria Azarenka of Belarus play Sloane Stephens of the U.S. during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014. (AP Photo/Aaron Favila)

bbee6140d1f16c02490f6a706700fb9c.jpg

Victoria Azarenka of Belarus celebrates after defeating Sloane Stephens of the U.S. in their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Aaron Favila)

ae4474ebd27f6f02490f6a7067007162.jpg

Rafael Nadal of Spain dries himself with a towel during his fourth round match against Kei Nishikori of Japan at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 20, 2014.(AP Photo/Aaron Favila)