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    One Direction: Find Out Which Member Sings in the Shower, Who Has the Best Abs and More!

    Seventeen Magazine, One Direction Seventeen Magazine

    The boys of One Direction are looking mighty fine on the December 2013/January 2014 cover of Seventeen. Photographed by Calvin Aurand, the pop quintet—Niall Horan, Zayn Malik, Liam Payne, Harry Styles and Louis Tomlinson—open up to the magazine about life on the road together.

    Asked if he sings in the shower, 19-year-old Styles admits, "We all do!" Some members are louder than others, however. "We can sometimes hear Liam through the wall," the single singer added.

    According to Horan, 20-year-old Payne also has the best abs in the band. "That fellow is ripped," he raves. "He works hard at it though, so I'll give him that."

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    Seventeen Magazine, One Direction Seventeen Magazine

    Payne isn't that vain, however. In fact, the superfit singer lists "toothpaste" as the grooming product he can't live without—but it's not entirely for his own benefit. "Got to have fresh breath, especially when we're singing in each other's faces," he explains. Malik, meanwhile, says lotion is his must-have beauty product on the road. "You have to stay smooth," he reasons.

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    Despite their busy schedule, the boys of 1D still find time for fun. "I've been labeled the prankster. I change the words of songs when the guys least expect it," Tomlinson says. "Their reactions are priceless."

    For more from One Direction, pick up the December 2013/January 2014 issue of Seventeen, on stands Nov. 25.

    PHOTOS: The boys of One Direction