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How many things rhyme with Taylor Swift ?

One Direction might be figuring that out as we speak. On Wednesday, Harry Styles—along with Niall Horan, Liam Payne, Zayn Malik and Louis Tomlinson—spent some time in a recording studio in Yorkshire, England.

Watch the official trailer for 1D's 3-D movie!

Although most of the boys were all business, Harry, adorably, took the extra effort to take a picture outside in the cold with a diehard fan.

Meanwhile, Taylor, 23, was busy with work on Tuesday. Across the pond in L.A., the country-pop star appeared to be having a blast while filming the music video for her next single, "22."

Only three more years before 19-year-old Harry can really relate!

See more pictures of the guys in our 1D gallery!