The One Direction singer - who was performing at Madison Square Garden - was spotted with the 22-year-old as they celebrated with the band at their after-party.

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[Harry Styles, Niall Horan and Taylor Swift on karaoke]
Onlookers told The Mirror that the pair were dancing closely and singing to the Backstreet Boys.

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It's thought security at the posh New York hotel where they were partying helped Styles and Swift leave the four-star hotel at 3.40am and they left in a car together.

© Twitter / Taylor Swift
[Taylor Swift and a fan at 1D after-party]
Also at the bash was Ed Sheeran, who joined the boys on stage to perform hit 'Little Things', and Little Mix's Perrie Edwards who's dating Zayn Malik.

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[Ed Sheeran and Harry Styles]
Only yesterday, Styles and Swift were seen cosying up at Central Park Zoo where they happily posed with fans together.

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[Taylor Swift, Harry Styles and a fan]
1D play Madison Square Garden:
Copyright: Myrna Suarez
























