WATCH: Granger Smith Serenades Wife on Stage at Billy Bob’s Texas

Granger Smith's latest single, "Happens Like That," was inspired by his wife. So when the Texas native was at Billy Bob's Texas over the weekend -- in her hometown of Fort Worth -- he brought Amber on stage to sing it to her.

"I sing this song every night, but never to the girl I actually wrote it about ... until now," he says in the caption. In the video he shares more, "It's about 5 o'clock in the morning and we've been gone for a while on tour, but this is a cool day," he says in the video. "We are in Little Rock, Arkansas, and I'm about to jump on a plane to go to Fort Worth, Texas, for a show but it's a special show because this is my wife's hometown. Her parents and friends are all going to be there. She's going to be there and I'm going to try to make it a special night, because she deserves that."

Smith's "Happens Like That" is the lead single off his latest album, When the Good Guys Win.