One Direction Covers 'Seventeen' Mag's Hot Guys Issue

One Direction get both silly and serious for Seventeen magazine’s November Hot Guy Issue, which hits newsstands on October 21.

The guys – Harry Styles, Liam Payne, Niall Horan, Louis Tomlinson, and Zayn Malik – are dubbed the “biggest boy band in the world.”

PHOTOS: Check out the latest pics of One Direction

“Our fans mean the world to us and we want to thank them for supporting us unconditionally on this crazy, amazing ride!” Niall told the mag.

The issue also features Ed Sheeran, Ansel Elgort, and Hunter Hayes.

For more on One Direction, visit Seventeen.com.