Kenny was brought in as a replacement for Morgan Wallen, who was forced to withdraw due to sustaining a vocal chord injury.
The two chart-topping artists teamed up during Taylor's recent Chicago show.
If his set at Railbird was anything to go by, it's safe to say that Zach Bryan's career is going to remain leading the top ranks of the genre (and likely beyond) for a long time to come.
Lambert co-wrote the Mother's Day ballad with Wallen and Nicolle Galyon.
While it may have been deemed a pre-party, The 'Man From Waco' captures the effervescent energy that's burning bright in this most vital of moments.
Kenny surprised his friend and tour-mate with an emotional video montage while performing in Alabama.
