In the upcoming issue of Rolling Stone
, contributing editor Josh Eells
shadows Justin Bieber
for a week as he battles paparazzi at a Los Angeles golf course, appears on the The Tonight Show
, hits the studio and much more. Justin is only 18, but he says he feels like he's become significantly more mature over the last couple of years. "I feel like I carry myself in a more manly way," he says. "I don't carry myself ...