A fan -- several fans, actually, as you can see in the video below -- captured the pop-star couple kissing as the calendar turned to 2013. They smooched again as "Auld Lang Syne" faded into "New York, New York."
Swift performed two songs on ABC's "New Year's Rockin' Eve" Monday night as part of a lineup that also included 1D's fellow Brit boy band The Wanted.
Styles and Swift have been dating for about a month and spending as much time together as they can. They shared a double ski date with Selena Gomez and Justin Bieber the weekend before Christmas and reunited over the weekend after Styles flew home to England for Christmas -- albeit a little later than planned,