Pay: $55 million
The Canadian crooner has sold over 12 million albums since his 2009 debut and boasts 21 million Twitter followers, second only to Lady Gaga. With 750 million views, his breakout ballad “Baby” is the most-watched video in YouTube history; his 43 million Facebook fans are more than Mitt Romney and Barack Obama’s followers combined. If that’s not enough, he’s also becoming a venture capitalist, amassing stakes in startups including Enflick, Tinychat and Spotify.
Last, but not least, the #1 young money-maker in the industry is….