23. Ed Sheeran ($33.5M; tie)

Age: 25

The Brit bagged two Grammy wins for his single "Thinking Out Loud" from his studio album x, which has shifted 2.6 million copies since its 2014 release. The singer-songwriter also rakes in millions from co-writing hits such as Justin Bieber's "Love Yourself" and recently started his own aptly named label, Gingerbread Man.