Teenage pop star Justin Bieber was left red-faced during a performance after forgetting the words to famous Christmas track Santa Claus is coming to town.
The 17-year-old singer appeared on America's Today show to promote his new festive album and he took to the stage in front of hundreds of fans in New York to sing a short set, and he closed the show with the well-known tune, reported E! online.
However, Bieber blanked out midway through the live performance, forgetting the lyrics and simply repeating the line "He's making a list" to fill the gaps.
The star refused to let the mistake stop the show and continued with his performance unfazed.
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