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12 November 2012, 15:48
Thousands of fans take part in the giant-dance-along to the Vodafone Big Top 40 topping chart hit.
Around 15,000 people took park in a 'Gangnam Style' flash mob in Rome, Itlay over the weekend.
Fans gathered in Piazza del Popolo to dance along to PSY's record-breaking hit, which topped the Vodafone Big Top 40 earlier this year.
It was the second time in a week that fans of PSY had gathered to perform a mass dance-along to 'Gangnam Style' – the first took place near the Eiffel Tower in Paris, France.
PSY performed 'Gangnam Style' during an appearance at the MTV Europe Music Awards (EMAs) in Germany last night (11th November).
The South Korean rapper was featured in a promotional video at the annual awards show where both he and host Heidi Klum wore identical blue tuxedos to perform his worldwide hit on an escalator.
Watch the PSY 'Gangnam Style' flashmob below: