"People are like, 'Is it weird that you don't have a dad?'" Austin says. "But, no. That's just how I grew up, and that's what's normal for me. I can't imagine having a dad. I can't be like, 'Hey, Dad! Want to go play catch in the yard?' That would be weird for me to say." "Sorry, it's kind of a mess right now," Austin Mahone says as we walk beneath the skylights of his massive, white-marbled bathroom, past a koi pond filled with an assortment of plants and palm trees. I'm taking the first-ever tour of the singer's new home in the Miami area. He flips the light swi