Dan + Shay sure know how to make a splash in the music business -- their first album debuted at No. 1 on the Billboard country album charts, making them the only duo in Soundscan history that has ever done so with their debut album.

Dan Smyers and Shay Mooney also made headlines with '19 You + Me,' their first big hit from 'Where It All Began.' The single alone has sold over 500,000 copies, so it's no surprise the album is doing so well for the breakout duo. They were also nominated for an ACM Award this year. Although they didn't win, they're not showing any signs of stopping.

Dan + Shay have been out on Hunter Hayes' Invisible Tour and will be joining him until the end of May. They did take a little break from the tour to play the iHeart Radio Festival in Austin. There the duo was the only new artist on the sold-out bill. They've also been busy this week promoting the album and performing on 'Good Morning America' and 'The Ellen DeGeneres Show.'

Things won't calm down for the singers as the Hayes tour winds down. They'll then be joining Blake Shelton for his tour starting in June. The Ten Times Crazier Tour runs until Oct. 5.

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