The musical couple shared a tender New Year's Eve kiss in Times Square after the 23-year-old singer performed on New Year's Rockin' Eve.
After a planned romantic trip to the British Virgin Islands after New Year's, the country crooner left solo on January 4th, according to the New York Post.
It was only in November that the pair first became inseparable after being spotted together at a taping of " The X Factor." Perhaps the boy bander will inspire some awesome break-up songs for Ms. Swift's next album.