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."

On Wednesday night in Addis, Louisiana, near Baton Rouge, there was a special "Homecoming Parade" for "American Idol" finalist, John Foster.

It’s been a thrilling journey for Louisiana fans of American Idol, and now, they have even more reason to cheer. LSU biology student John Foster, just 18

Since his audition, Foster has climbed his way to the top five in the show, performing songs like "Callin' Baton Rouge," "Jailhouse Rock" and Disney's "Almost There." On Monday night, he'll perform at 7 p.m. on ABC for a chance in the show's top 3. Those in the top 3 will head into the Sunday finale.

Louisiana's John Foster is headed into Sunday night's "American Idol" grand finale after another magical "Disney Night" on Monday's "Idol" episode.

John Foster, the 18-year-old college student from Louisiana, officially sang his way into the American Idol Season 23 Top 3 during Disney Night on May 12, 2025.

Fan-fave singers John Foster and Jamal Roberts have both advanced to the Top 7 of American Idol, joining Slater Nalley, Thunderstorm Artis, Gabby Samone, Breanna Nix, and Mattie Pruitt. This is undoubtedly one of the strongest lineups in the show's 23-season history.

One special moment came when Louisiana native John Foster took the stage to sing a rendition Brooks & Dunn’s 1991 hit “Believe.”The song is not particularly easy to sing, as it features some spoken-word elements in the lyrics,

John Foster has become a fan favorite since his debut on American Idol. In the most recent episode, where the singers had to work through a Mother's Day theme, John did his best, and the viewers started their voting. It turns out that the Addis native has made it to the Top 5.