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.
Watch live coverage of the Detroit Lions at the Chicago Bears from 01:25 BST, Tuesday on the Red Button and this website.
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