Titled, "Niall Horan's Homecoming: The Road To Mullingar", the documentary will look at the pair, as they were spotted touring several spots across Ireland back in August.
This will show the duo meeting world class guitar make George Lowden, local Dublin busker Jacob Koopman, and precocious Irish artist and Tullamore native Tolu Makay.
"Guinness proudly presents, Niall Horan’s Homecoming: The Road to Mullingar with Lewis Capaldi. Three days, two globally recognised musicians, one incredible road trip documented in an episode filled with fun, friendship and laughter", Guinness wrote on their website.
"What happens when two of the biggest names in music embark on a road trip in Ireland? A film that captures adventure, friendship, storytelling and non-stop laughter".
"All inspired by Horan’s desire to revisit and reconnect with all that he loves of home; to retrace the origins of the exciting life journey he’s on and experience the reality of Ireland today, alongside side his best friend, Lewis Capaldi".
While no release date has yet to be officially announced, Guinnes have stated that fans can expect this documentary to be released at some stage in the Autumn.
