Morgan Evans

"For a while, it was kind of like, 'OK, this is just a new phase of a relationship,'" she shares.

Morgan Evans and newcomer Ashley Cooke will open the show.

Morgan Evans and Ashley Cooke will serve as openers.

Kelsea Ballerini and Morgan Evans are officially divorced + she's moving into a new home.

They stunned fans when they announced their divorce.

During a show in Australia, Evans played an unreleased piano ballad called 'How Long' -- and the lyrics seem to be inspired by recent events.

There were no indications that the pair's nearly five-year marriage was under duress in recent weeks or months.

Ballerini says she and her fellow country artist husband don't write songs together.

As they celebrate their fourth wedding anniversary today, here's a look at country couple Kelsea Ballerini and Morgan Evans.

A classic duet, indeed.