Sam Smith Wins Song of the Year GRAMMY for 'Stay with Me'

By Kevin Rutherford

Sam Smith has had a very good night—and that's even by his own admission.

The singer, who took home the award for Best New Artist earlier in the evening, earned the distinction for Song of the Year for his song "Stay with Me"—the Darkchild version, that is.

If you're behind a bit, the Darkchild version and original version of the song differ only slightly, with Rodney Jerkins taking the production reins for the former. See a full explanation here.

Smith scored the win over a slew of big singles from the previous year, including Meghan Trainor's "All About That Bass," Sia's "Chandelier," Taylor Swift's "Shake It Off" and Hozier's "Take Me to Church."

See a full rundown of tonight's events on our 2015 GRAMMYs live blog.