Outside the hotel, teen girls were slowly gathering with signs and moms, but inside, the boys were happy to answer your questions.
Who's the "Grand Daddy Master" of beat boxing, according to Liam? Who made them starstruck? Who does Harry dream of collaborating with? (Hint: He wants to stop, collaborate, and listen.) What makes Niall grumpy? And what do they think about the naughty fan fiction you are cooking up in your spare time?
All this and more (Harry's hair! Louis's tattoos!) await you in the video below. "One Direction: This Is Us" hits theaters August 30.