Harry Styles and Taylor Swift ring in the New Year with a kiss

Harry Styles and Taylor Swift saw in the New Year with a kiss.

The One Direction singer jetted off to New York City to see his girlfriend perform at Dick Clark's New Year's Rockin' Eve on Monday night, and the pair weren't shy as they locked lips in front of thousands of fans in Times Square when the clock struck midnight.

Harry, 18, was so excited to see Taylor, 22, after spending Christmas apart from her, he turned up at London's Heathrow Airport on Friday without his passport and had to have it couriered to him from his mum's house in Cheshire, according to the Daily Mirror newspaper.

The two pop stars stunned onlookers on as they shared a very public embrace after Taylor took to the stage to sing her hit song I Knew You Were Trouble at the New Year's Eve event which was hosted by Ryan Seacrest.

Taylor sent pulses racing in skin-tight black leather pants and a red leather jacket.

Earlier in the evening, Harry was spotted at Jay-Z and Coldplay's New Year's Eve concert at the Barclays Center in Brooklyn, but the singer rushed back to Times Square in Manhattan in time to be with Taylor at midnight.

After wrapping up her duties for the night, the smitten couple were spotted hand-in-hand as they headed back to their hotel.

Harry and Taylor reportedly spent lots of time video calling each other via Skype while he spent Christmas with his family in the UK, and she with her family in the US.