Austin Mahone

Texas teen Austin Mahone attained celebrity the YouTube way in 2012 with his cover of Justin Bieber's 'Mistletoe', beating the Biebs's original in terms of views. A few other key facts you should know about this young popster, who plays his first London show tonight: his fans call themselves Mahomies, he charges $50 for a ten-minute Skype call, and his concerts sell out in minutes. Ah, the modern-day music biz.