It's not just athletes puckering up to their medals - London 2012 has seen an Olympic quantity of kissing.

Cameras have caught kisses between father and son, mother and daughter, and even a spectator planting a surprise smacker on an unsuspecting news anchor.

US athlete Jesse Smith was in on the love, giving his 6-month-old son a kiss after his team beat Romania in a preliminary men's water polo match on Tuesday.

olympic kissing

In another one of our favourite Olympic smackers, Zara Phillips and team were congratulated by Princess Anne on their silver medal win - the royal who also happens to be Zara's mother.

zara phillips

Last but not least, a kiss between competitors, with Germany's fencing silver medal winner Britta Heidemann kissing Ukrainian champion Yana Shemyakina.

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See below for our run down on the best Olympic smackers.

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  • United 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)

  • Italy'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)

  • LONDON, 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)

  • Azerbaijan'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

  • The 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.

  • Federica 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

  • Great 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

  • Great Britain's Helen Glover and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • El-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

  • LONDON, 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)

  • Belarus' 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

  • Germany'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

  • Indonesia'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

  • Kashyap 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

  • A 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)

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  • Helen Glover and Heather Stanning of Great Britain celebrate with their gold medals during the medal ceremony after the Women's Pair Final A on Day 5 of the London 2012 Olympic Games at Eton Dorney on August 1, 2012 in Windsor, England. Australia won silver and New Zealand won bronze. (Photo by Mike Hewitt/Getty Images)

  • Helen Glover and Heather Stanning of Great Britain celebrate with their gold medals during the medal ceremony after the Women's Pair Final A on Day 5 of the London 2012 Olympic Games at Eton Dorney on August 1, 2012 in Windsor, England. Australia won silver and New Zealand won bronze. (Photo by Mike Hewitt/Getty Images)

  • Helen Glover and Heather Stanning of Great Britain celebrate after winning gold in the Women's Pair Final A on Day 5 of the London 2012 Olympic Games at Eton Dorney on August 1, 2012 in Windsor, England. Australia won silver and New Zealand won bronze. (Photo by Mike Hewitt/Getty Images)

  • (L-R) Heather Stanning and Helen Glover celebrate after winning gold in the Women's Pair Final during the Men's Single Sculls on Day 5 of the London 2012 Olympic Games at Eton Dorney on August 1, 2012 in Windsor, England. (Photo by Quinn Rooney/Getty Images)

  • Serena Williams of the US celebrates during her women's single tennis match against Russia's Vera Zvonareva at the 2012 London Olympic Games at the All England Tennis Club in Wimbledon, southwest London, on August 1, 2012. (Photo credit should read JOHN MACDOUGALL/AFP/GettyImages)

  • Russia's Sergey Prokopyev controls the ball during the men' beach volleyball preliminary phase Pool C match against China's Xu Linyin and Wu Penggen on The Centre Court Stadium at Horse Guards Parade in London on August 01, 2012, during the London 2012 Olympic Games. Russia won 2-1. (Photo credit should read DANIEL GARCIA/AFP/GettyImages)

  • The Great Britain team members celebrate in their boat with their medals after winning bronze in the Men's Eight Final on Day 5 of the London 2012 Olympic Games at Eton Dorney on August 1, 2012 in Windsor, England. (Photo by Quinn Rooney/Getty Images)

  • Syria's Bayan Jumah competes in the women's 100m freestyle heats swimming event at the London 2012 Olympic Games on August 1, 2012 in London. (Photo credit should read GABRIEL BOUYS/AFP/GettyImages)

  • Maria Tsiartsiani from Greece dives for a ball during the Beach Volleyball match against China at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Petr David Josek)

  • Maria Tsiartsiani from Greece reaches for a ball during the Beach Volleyball match against China at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Petr David Josek)

  • Bayan Jumah

    Syria's Bayan Jumah reacts after finishing second in a women's 100-meter freestyle swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Matt Slocum)

  • France's Gauther Grumier, left, competes against Norway's Bartosz Piasecki during the men's individual epee fencing competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.(AP Photo/Andrew Medichini)

  • United State's Seth Kelsey competes against China's Li Guojie during the men's individual epee fencing competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.(AP Photo/Dmitry Lovetsky)(AP Photo/Dmitry Lovetsky)

  • Elkhan Mammadov, of Azerbaijan, left, and Christophe Lambert, of Germany, compete during the men's 90-kg judo competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Paul Sancya)

  • Ksenia Perova

    Russia's Ksenia Perova shoots during an elimination round of the individual archery competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Marcio Jose Sanchez)

  • Sweden's Sarah Sjostrom prepares for a women's 100-meter freestyle swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Mark J. Terrill)

  • Mexico's Liliana Ibanez Lopez starts in a women's 100-meter freestyle swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Matt Slocum)

  • Singapore's Mylene Ong starts in a women's 100-meter freestyle swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Matt Slocum)

  • Olympics Day 5 - Judo

    LONDON, ENGLAND - AUGUST 01: Dae-Nam Song of Korea (white) competes with Juan Romero of Uruguay during the Men's -90 kg Judo on Day 5 of the London 2012 Olympic Games at ExCeL on August 1, 2012 in London, England. (Photo by Ezra Shaw/Getty Images)

  • Olympics Day 5 - Weightlifting

    LONDON, ENGLAND - AUGUST 01: Kirill Pavlov of Kazakhstan competes in the Men's 77kg Weightlifting on Day 5 of the London 2012 Olympic Games at ExCeL on August 1, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

  • London Olympic Games - Day 5

    Great Britain's Helen Glover (left) and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Helen Glover (left) and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Helen Glover (left) and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Helen Glover and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Helen Glover and Heather Stanning celebrate winning gold in the women's pair final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Dai Greene during a press conference at the Media Centre in the Olympic Park.

  • London Olympic Games - Day 5

    Great Britain's Jessica Ennis during a press conference at the Media Centre in the Olympic Park.

  • London Olympic Games - Day 5

    Great Britain's Will Satch (left) and George Nash in action in the men's pair in their semi final at Eton Dorney Lake, London.

  • London Olympic Games - Day 5

    Great Britain's Stevie Morrison before taking to the water in Weymouth today. Morrison competes in the 46er class with Ben Rhodes.