Kelsea Ballerini and Morgan Evans‘ relationship struggled for a long time before filing for divorce earlier this month

“They’ve been working on their marriage for many years and have even tried therapy,”

The pair, who tied the knot in December 2017, even “privately separated at one point” before getting back together

They “gave another go at it, trying their best to make it work,”

The source adds, “They ultimately decided that they had no choice but to officially separate.”

Ballerini, 28, filed for divorce on Friday, August 26, in Davidson County, Tennessee,

She listed Friday as their official date of separation and cited “irreconcilable differences”

The “Peter Pan” songstress first announced that she and Evans, 37, were getting a divorce on Monday ”

She went on to ask fans to support both her and the Australia native amid the breakup.

“This deeply difficult decision is the result of a journey of love, growth, and effort that ultimately has come to an end.