You've definitely heard the names Demi Lovato, Beyoncé, and Taylor Swift. But does Ryan Tedder ring a bell? It turns out the One Republic frontman doesn't only write hit tracks for his own band, but for a whole lot of other artists as well. We're talking about top hits for the last several years.
From "Neon Lights" to "Halo" and "Welcome to New York," he's dominated the charts. Without this guy, we would have a lot less to bop our heads to. And when you check out the rest of his ridiculously long list of penned songs, you'll see exactly what we mean.

