Justin Bieber has been receiving rave reviews for his new album Believe due to its more mature sound, but does Bieber, who skyrocketed to fame at just 15 years old, feel grown-up?
"I mean I'm 18, I'm growing as an artist and my fans are growing with me so, I'm just making music that reflects that," he says. "I feel as grown-up as I can. I mean I moved out, I'm traveling, I have more responsibility ..."
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