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Open Image ModalUnited States of America's Vincent Hancock kisses his 5-month-old daughter Brenlyn after winning the gold medal in the final of the men's skeet event at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Rebecca Blackwell)
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Open Image ModalItaly's Niccolo Mornati kisses teammate Lorenzo Carboncini after finishing second in a men's rowing pair semifinal Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012. (AP Photo/Armando Franca)
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Open Image ModalLONDON, ENGLAND - JULY 29: Kristyna Palesova of Czech Republic blows a kiss to the crowd in the Artistic Gymnastics Women's Team qualification on Day 2 of the London 2012 Olympic Games at North Greenwich Arena on July 29, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)
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Open Image ModalAzerbaijan's Valentin Hristov kisses the weights in celebration in the men's 56kg weightlifting competition. PRESS ASSOCIATION Photo. Picture date: Sunday July 29, 2012. See PA story OLYMPICS Ceremony. Photo credit should read: Stephen Pond/PA Wire
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Open Image ModalThe Duchess of Cambridge kisses Princess Beatrice (right) after they watched the Cross Country Phase of The Eventing at Greenwich Park, on the third day of the London 2012 Olympics. (credit:PA)
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Open Image ModalFederica Pellegrini of Italy kisses Missy Franklin (R) from USA during Women's 200m Freestyle Heats at the Swimming competition in Aquatics Centre at the London 2012 Olympic Games, London, Great Britain, 30 July 2012. Photo: Michael Kappeler dpa
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Open Image ModalGreat Britain's Paul Goodison kisses girlfriend Saskia Clark before taking to the water in Weymouth today. The defending Olympic Laser champion has been suffering with back pain for the last two days. Clark is competing in the Women's 470 class.PA Wire/Press Association Images
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Open Image ModalGreat Britain's Helen Glover and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.
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Open Image ModalEl-Sayed Lashin of Egypt gets kisses by his coach after his victory over Zoran Primorac of Croatia during their London 2012 Olympic Games table tennis men's singles preliminary round match at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan
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Open Image ModalLONDON, ENGLAND - JULY 29: Valentin Hristov of Azerbaijan kisses the weight while competing in the Men's 56kg Weightlifting on Day 2 of the London 2012 Olympic Games at ExCeL on July 29, 2012 in London, England. (Photo by Chris McGrath/Getty Images)
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Open Image ModalBelarus' Victoria Azarenka kisses the net after winning over Romania's Irina Begu during their London 2012 Olympic Games women's singles tennis match at the All England Tennis Club in Wimbledon, southwest London, on July 30, 2012. AFP PHOTO/Luis Acosta
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Open Image ModalGermany's Britta Heidemann (L) kisses Ukraine's Yana Shemyakina after losing their Women's Epee gold medal bout as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO POOL DMITRY LOVETSKY
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Open Image ModalIndonesia's Deni Deni kisses the weight during the men's 69kg group A weightlifting event, at The Excel Centre in London on July 31, 2012, during the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ
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Open Image ModalKashyap Parupalli of India kisses his jersey after victory in his men's singles badminton match against Niluka Karunaratne of Sri Lanka at the London 2012 Olympic Games in London on August 1, 2012. Parupalli won the match 21-14, 15-21, 21-9. AFP PHOTO / ADEK BERRY
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Open Image ModalA British couple kiss in front of the Olympic countdown clock at Trafalgar Square before the opening ceremony of the London 2012 Olympic Games on July 27, 2012. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/GettyImages)