Dan + Shay singer Shay Mooney is going to be married. The rising country star posted to his Instagram on Friday (Aug. 12) to let his fans know that he got engaged to his girlfriend, Hannah Billingsley.

"I liked it…so I put a ring on it," the singer captioned a photo of himself and Billingsley. "I’m the luckiest man in the world. @hannah.billingsley I love you."

Billingsley also shared the photo above, which shows the glowing couple sharing a happy embrace in a doorway. She clarified that they have been engaged since Tuesday (Aug. 9). "Words aren't enough. Truly the happiest day of my life. 8/9/16 I love you so much @shaymooney," she writes.

Billingsley was Miss Arkansas USA in 2013. Mooney, of course, is one-half of Dan + Shay, who rose to fame in 2013 with the success of their debut single, "19 You + Me." Their debut album, Where It All Began, scored two more hit singles in "Show You Off" and "Nothin' Like You," the latter of which reached No. 1 on Billboard's Country Airplay chart.

The duo released their much-anticipated sophomore album, Obsessed, in June, and the lead single from the project, "From the Ground Up," has already followed their previous hits into the Top 10.

The duo feel like the new album is a step forward musically.

“It was something new for us, and kind of a next step,” Mooney tells Taste of Country. “We’re really excited about the direction. We feel like it was the best representation of Dan + Shay, the next step. We’re not alienating our fans that fell in love with the first record, but it is definitely a step forward.”

So far Mooney and Billingsley have not announced any details of their wedding plans.

See Who Got Married and Engaged in 2015