The duo will play a handful of shows later this year.
The pair will return for The 51st Annual CMA Awards.
The certification was celebrated on stage during CMA Music Fest.
The MuttNation March took place last week.
The festival is designed for the military community.
The song is available on download and streaming services now.
Listen to the country star’s new single Life’s About to Get Good.
The Nashville star supported Chris Shiflett in London last night.
The Foo Fighters lead guitarist flew solo to promote his latest record.
You’ll need to visit EF Country’s Facebook page to enter this one.
Head over to EF Country’s Twitter channel to enter.
The band is coming to the UK later this year.