The collaboration came about after Alaina guested on an episode of Yearwood's long-running series, 'Trisha’s Southern Kitchen.'
PBS’ 40th annual July 4th presentation will feature new performances, captured remotely at iconic locations around the country.
Eighteen concerts have been confirmed to date, starting on 10 January, with more to be added to the itinerary.
Bryan, Thomas Rhett and Luke Combs will headline the event at Riviera Maya in Mexico from 23-26 January.
The annual PBS special featured a medley of 'I Get Around,' 'Kokomo' and 'Fun Fun Fun.'
After a year of sellout shows, country superstar Alan Jackson's Honky Tonk Highway tour heads back on the road on 19 January 2018.