NFL stars celebrate 'Gangnam Style'
NFL stars showcase their best dance moves during week seven as the 'Gangnam Style' dance craze infects the sport.
A number of scoring celebrations are marked with the famous 'horse-riding dance', as South Korean rapper Psy's global influence continues to spread.
Psy - real name Park Jae-Sang - is the first South Korean pop star to make it to the top of the UK singles charts .
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