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14 September 2012, 07:50
The 'Boyfriend' singer gave a crowd-pleasing performance with US rapper Big Sean.
Justin Bieber teamed up with collaborator Big Sean to perform 'As Long As You Love' me for the America's Got Talent season finale in the US last night (13th September).
The 'Never Say Never' singer is believed to have filmed the performance earlier this week ahead of his arrival in the UK, and is seen giving a crowd-pleasing performance for the popular NBC reality show, which features Sharon Osbourne, Howard Stern and Howie Mandel on the judging panel.
Justin took to the stage in a silver hooded jacket, black jeans and black t-shirt for an energetic performance routine backed by a large group of dancers, as he descended the stage staircase to get up close and personal with his screaming fans in the audience.
The 'Boyfriend' singer was then joined live by Big Sean for the song's rap segment, and later thanked the 'My Last' rapper for teaming up with him on the track.
"Shoutout to @bigsean for getting on a smash with me and performing it tonight on @nbc #FAMILY #bigbro," Justin posted last night, after urging fans to watch their performance on America's Got Talent.
View a picture of Justin Bieber during a recent promotional trip to Mexico below (Credit: Getty):
The 'Mistletoe' singer arrived into the UK earlier this week (11th September), where he enjoyed a late night jam session with One Direction's Niall Horan, in between promoting his newly released autobiography Just Getting Started.
Justin also revealed this week that his upcoming 'Believe' world tour has had input from world famous stuntman and magician David Blaine, and promised it will be "pretty crazy".
Justin Bieber is set to kick off his 'Believe' world tour across North America starting from the end of this month before bringing it over to the UK in February 2013.
Watch Justin Bieber and Big Sean's performance of 'As Long As You Love Me' on America's Got Talent below: