Niall Horan & Barbara Palvin: New Year's Eve Couple!

Niall Horan steps out into the cold as he leaves the Gary Barlow New Year’s Eve Concert at Westminster City Hall on Tuesday night (December 31) in London, England.

The 20-year-old One Direction singer was followed closely behind by his rumored girlfriend Barbara Palvin.

PHOTOS: Check out the latest pics of Niall Horan

“Happy new year ! thank you for an incredible 2013 , let’s make 2014 the best yet ! Love you,” Niall tweeted.

Earlier in the month, the couple was spotted exiting The X Factor UK studios through the back door.

10+ pics inside of Niall Horan and Barbara Palvin leaving a concert…