It was an unexpected musical success story last year, one that has only continued to snowball.

Dan + Shay, Luke Combs, Rascal Flatts and more country artists celebrated alongside prominent songwriters, producers and industry leaders at the Academy of Country Music Honors awards show.

This combination photo shows, from left, Carrie Underwood, Eric Church, Luke Combs, Keith Urban and Miranda Lambert, who were nominated for Entertainer of the Year for the 54th Annual CMA Awards on Tuesday, Sept. 1, 2020.

The CMAs announced Tuesday that Lambert earned seven nominations. She's followed by Luke Combs, who continues his streak of success as one of country musics biggest streaming artists with six nominations, including his first for entertainer of the year. Combs earned his first all-genre No. Carrie Underwood joins Combs and Lambert in the entertainer of the year category, along with Keith Urban and Eric Church. Other top nominees include Maren Morris, who scored five nominations including song and single of the year for her love song, The Bones."

"It's awesome to get to attend their wedding and it was a blast, it was a really good time. And that was like the first place we debuted the song," Smyers told ET at this year's CMT Artists of the Year event at the Schermerhorn Symphony Center in Nashville, Tennessee, on Wednesday. For the music video, Smyers, Mooney and Bieber came together with their real-life lady loves, and the end result was a beautiful, romantic celebration of happiness and adoration. Check out the video below for more on the big, star-studded Bieber wedding, check out the video below. Embed Code RestartRELATED CONTENT:Justin and Hailey Bieber Cuddle in Bed in Dan + Shay's New '10,000 Hours' Music VideoJustin Bieber Drops New Music With Dan + Shay Following WeddingDan + Shay Were Working on New Music '10 Minutes' Before 2019 CMT Music Awards (Exclusive)

Newlyweds in a new music video! Days after Justin and Hailey Bieber's second wedding ceremony in South Carolina, the bride and groom are showing off their PDA in a romantic new music video for Dan + Shay's track, "10,000 Hours," which features the pop star. In the video, singers Dan Smyers, Shay Mooney and Justin all serenade their lady loves (including Hailey!) Justin joins her in the bed, snuggling close to his wife as he sings the dreamy lyrics. Watch the clip below for details on their wedding celebrations:RELATED CONTENT:Hailey Bieber Rocks 'Wifey' Necklace After Second Wedding to JustinJustin Bieber Drops New Music With Dan + Shay Following WeddingJustin and Hailey Bieber Adorably Tease Each Other In New PDA-Filled Video After Second Wedding -- Watch!

"Id spend 10,000 hours/ And 10,000 more/ Oh, if thats what it takes to learn that sweet heart of yours/And I might never get there/ But Im gonna try/ If its 10,000 hours/ Or the rest of my life," the song's chorus declares. Wedding music. The new music comes shortly after the "Sorry" singer tied the knot for the second time with his wife, Hailey Bieber (nee Baldwin). The star-studded, super fun wedding -- at which Smyers and Mooney were guests -- was held at the Montage Palmetto Bluff in Bluffton, South Carolina, on Monday. RELATED CONTENT:Justin Bieber Posts PDA-Packed Wedding Pics With Wife HaileyInside Justin Bieber & Hailey Baldwin's Informal & Fun Second WeddingJustin Bieber Buys Super Luxe Gifts for Himself & Wife Hailey Ahead of Their 2nd WeddingJustin Bieber Thanks Stephen Baldwin for Letting Hailey 'Marry a Savage Like Me'