Country trio DEK of Hearts were the second ever recipients of 'The Voice's new Mic Drop Button after their exceptional performance.

Many coaches on 'The Voice' decided to keep in touch with winners from their team post-show and help them further their careers.

In the video, Horan sang a quick cover of "Old Tricks" by Thomas Rhett, a song that features Shelton's iconic vocals.

Before he became a household name as a member of One Direction — and long before he became a two-time winning Coach of The Voice — Niall Horan was just a kid with a dream and a microphone in his hand.