The former teen couple are rumoured to be sitting together at the prestigious event, sparking fresh reunion rumours.
Justin Bieber Covers The Beatles At New Year's Eve Concert - Watch
The 'Mistletoe' star covered one of the band's most iconic songs to help see in the new year in New York City.
Justin Bieber surprised the crowds at Dick Clark's annual New Year's Rockin' Eve with a cover of The Beatles.
The 'Baby' singer took to the stage in New York City's Times Square on Saturday (31st December), wrapped up in a scarf and hat, ready to treat fans to a cover of 'Let It Be'.
"I'm so happy to be here to bring in this new year with you guys," Justin told the crowd. "New York with all you've been through you're spirit's never broken. We all do the best we can each year, running from our pasts to be better for the future.
"What has happened happened, and what will be will be," Justin added, before breaking into the opening chords of the iconic song supported by guitarist Carlos Santana.
The annual new year event also featured performances from the likes of Nicki Minaj, Lady Gaga and Drake.
Justin Bieber is expected to release his third studio album 'Believe' sometime in 2012.
Watch Justin Bieber's performance of 'Let It Be' below:
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