The blog also said the 'velocity' of the video's popularity has been unprecedented for YouTube. 'It's been a massive hit at a global level unlike anything we've ever seen before,' said the YouTube blog. Gangnam Style was first posted to YouTube in July, and by the following month it began to show huge popularity on YouTube with audiences outside of South Korea. Within a few hours, Gangnam Style had gone up to more than 809 million views. YouTube, in a post on its Trends blog, said Gangnam Style on Saturday surpassed the site's previous record holder, Bieber's 2010 music video Baby, and by mid-day Gangnam Style had reached 805 million views, compared to 803 million for Baby.

He gained more fame outside his native country than the more polished singers in South Korea's so-called K-Pop style who have sought to win international audiences. Psy succeeded with a video that generated countless parodies and became a media sensation. The milestone was the latest pop culture victory for Psy, 34, a portly rap singer known for his slicked-back hair and comic dance style who has become one of the most unlikely global stars of 2012.

South Korean rap star Psy's music video Gangnam Style on Saturday became the most watched item ever posted to YouTube with more than 800 million views, edging past Canadian teen star Justin Bieber's 2-year-old video for his song Baby.

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