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Aliona Savchenko and Robin Szolkowy of Germany, perform in the pairs short program at the World Figure Skating Championships in London, Ontario, on Wednesday on March 13, 2013. (AP Photo/The Canadian Press, Frank Gunn) ( World Figure Skating Championships )

Sui Wenjing and Han Cong, of China perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( APTOPIX World Figure Skating Championships )

Alexa Scimeca and Chris Knierim of the United States perform the pairs short program at the World Figure Skating Championships in London, Ontatio, on Wednesday, March 13, 2013. (AP Photo/The Canadian Press, Frank Gunn) ( World Figure Skating Championships )

Marissa Castelli and Simon Shnapir of the USA skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518132729 )

France's Vanessa James is tossed in the air by her partner Morgan Cipres during the pairs short program at the World Figure Skating Championships in London, Ontario, on Wednesday, March 13, 2013. (AP Photo/The Canadian Press, Paul Chiasson) ( World Figure Skating Championships )

Stacey Kemp And David King of Britain skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. AFP PHOTO/Geoff RobinsGEOFF ROBINS/AFP/Getty Images ( 518133740 )

Viktor Pfeifer of Austria performs during the men's short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Paolo Bacchini of Italy skates his short program in the mens competition at the 2013 World Figure Skating Championships in London, Ontario on March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518140452 )

Alexei Bychenko of Israel performs during the men's short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Abzal Rakimgaliev of Kazakhstan performs during the men's short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Tatiana Volosozhar and Maxim Trankov competing for Russia perform during Pairs Short Program at the 2013 World Figure Skating Championships in London, Ontario, Canada, March 13, 2013. Skaters from around the globe are competing in the four day event to become the world champions in mens, ladies, pairs and ice dance figure skating. BRENDAN SMIALOWSKI/AFP/Getty Images ( 518135755 )

Vera Bazarova and Yuri Larionov, of Russia, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Qing Pang and Jian Tong of China skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518136551 )

Kirsten Moore-Towers and Dylan Moscovitch, of Canada, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Marissa Castelli and Simon Shnapir of USA compete in the Pairs Short Programduring the 2013 ISU World Figure Skating Championships at Budweiser Gardens on March 13, 2013 in London, Canada. (Photo by Ronald Martinez/Getty Images) ( 163608201 )

Wenjing Sui And Cong Han of China skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518132078 )

Vanessa James and Morgan Cipres competing for France perform during Pairs Short Program at the 2013 World Figure Skating Championships in London, Ontario, Canada, March 13, 2013. Skaters from around the globe are competing in the four day event to become the world champions in mens, ladies, pairs and ice dance figure skating. BRENDAN SMIALOWSKI/AFP/Getty Images ( 518133920 )

Vera Bazarova and Yuri Larionov of Russia skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518136545 )

Mari Vartmann and Aaron Van Cleave, of Germany, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Mari Vartmann and Aaron Van Cleave competing for Germany fall while performing during the Pairs Short Program at the 2013 World Figure Skating Championships in London, Ontario, Canada, March 13, 2013. Skaters from around the globe are competing in the four day event to become the world champions in mens, ladies, pairs and ice dance figure skating. BRENDAN SMIALOWSKI/AFP/Getty Images ( 518132349 )

Cheng Peng And Hao Zhang of China skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518132792 )

Vera Bazarova and Yuri Larionov, of Russia, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Kirsten Moore-Towers and Dylan Moscovitch, of Canada, during the pairs short program at the World Figure Skating Championships in London, Ontatio, on Wednesday, March 13, 2013. (AP Photo/The Canadian Press, Paul Chiasson) ( World Figure Skating Championships )

Yuko Kavaguti and Alexander Smirnov, of Russia, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Aliona Savchenko and Robin Szolkowy, of Germany, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Sui Wenjing and Han Cong, of China, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )

Vera Bazarova and Yuri Larionov of Russia perform in the pairs short program as the World Figure Skating Championships in London, Ontario, on Wednesday, March 13, 2013. (AP Photo/The Canadian Press, Frank Gunn) ( World Figure Skating Championships )

Qing Pang and Jian Tong of China perform during the pairs short program at the World Figure Skating Championships in London, Ontario, on Wednesday, March 13, 2013. (AP Photo/The Canadian Press, Paul Chiasson) ( World Figure Skating Championships )

Stacey Kemp And David King of Great Britain skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518133760 )

Nicole Della Monica and Matteo Guarise of Italy skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518132889 )

Vanessa James and Morgan Cipres of France compete in the Pairs Short Program during the 2013 ISU World Figure Skating Championships at Budweiser Gardens on March 13, 2013 in London, Canada. (Photo by Ronald Martinez/Getty Images) ( 163608252 )

Meagan Duhamel And Eric Radford of Canada skate their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518135173 )

Meagan Duhamel and Eric Radford competing for Canada react to their scores after performing during Pairs Short Program at the 2013 World Figure Skating Championships in London, Ontario, Canada, March 13, 2013. Skaters from around the globe are competing in the four day event to become the world champions in mens, ladies, pairs and ice dance figure skating. BRENDAN SMIALOWSKI/AFP/Getty Images ( 518136454 )

Tatiana Volosozhar and Maxim Trankov of Russia skate in their short program in the pairs competition at the 2013 World Figure Skating Championships in London, Ontario, March 13, 2013. GEOFF ROBINS/AFP/Getty Images ( 518135867 )

Stacey Kemp and David King, of Great Britain, perform during the pairs short program at the World Figure Skating Championships Wednesday, March 13, 2013, in London, Ontario. (AP Photo/Darron Cummings) ( World Figure Skating Championships )