South Korean singer Psy has been awarded a Guinness World Records certificate for his 'Gangnam Style' music video.
The clip now officially holds the title of the most liked clip in YouTube history.
The singer - who is currently visiting the UK and recently addressed students at the Oxford Union - was presented with the accolade at BBC Radio 1's studios in London.
"I'm honoured," he said. "This is the first certificate I've ever had... I didn't get one at school!"
The video for 'Gangnam Style' was uploaded on July 15 and has since been 'liked' 4,911,081 times at the time of writing. The song's closest competitors for the title are LMFAO's 'Party Rock Anthem' (which to date has 1,574,963 likes), Justin Bieber's 2010 breakout hit 'Baby' (currently standing at 1,327,147 likes) and Adele's 'Rolling in the Deep' (which has racked up 1,245,641 likes).