After, Foster took the stage to perform six songs for a large crowd of eager listeners — many of which he covered on the show. First, he sang "Don’t Rock the Jukebox" by Alan Jackson, followed quickly by Elvis classic “Jailhouse Rock."

American Idol Season 23 finalist John Foster visited his hometown of Louisiana on May 14, 2025. During his visit, he went to his high school, Brusly High School, where the town welcomed and cheered the finalist.

John Foster ‘s cowboy hat is basically a part of him, so don’t expect to see him without it on television. Ahead of the American Idol finale, John revealed why he won’t be taking off his favorite accessory during the final episode of the season.