Viewers embark on a nationwide search across Los Angeles, Nashville and the judges' hometowns to find the next singing sensation.

Superstar judges Luke Bryan, Katy Perry and Lionel Richie share where their own dreams began with trips to their hometowns, bringing heart, laughter and antics to another round of auditions in search of the next American Idol.

The stakes are high in the final round of auditions for judges Luke Bryan, Katy Perry and Lionel Richie, as aspiring superstars perform in hopes of advancing to Hollywood Week and becoming the next American Idol.

It's Hollywood Week, and the pressure is on for Idol finalists, with only one chance to perform for judges Luke Bryan, Katy Perry and Lionel Richie in the first-ever Idol Arena. Who will survive the biggest cut in Idol history?

The Top 24 travel to Aulani, a Disney Resort and Spa in Ko Olina Hawai'i, with 12 taking the stage for America's first vote this season.

Airing live coast to coast, the Top 7 finalists take on iconic hits from beloved 16-time GRAMMY(R) winner and bestselling artist Adele, as America votes live for the Top 5. Meanwhile, Meghan Trainor returns to perform her new single, "Been Like This."

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The judges join host Ryan Seacrest for a special walk down memory lane in their hometowns while auditions continue.

Talented hopefuls inch one step closer to Hollywood stardom as they audition for judges Luke Bryan, Katy Perry and Lionel Richie. Ryan Seacrest hosts. Meanwhile, viewers glimpse into the judges' own beginnings with memorable trips to their hometowns.

The competition narrows during the final showcase round for judges Luke Bryan, Katy Perry and Lionel Richie, deciding who will earn a coveted spot in the Top 24 and compete for America's vote.

Filmed at Aulani, a Disney Resort and Spa in Ko Olina Hawai'i, 12 of the Top 24 hit the stage for another night of star-making performances as America votes for the top 20; Jelly Roll mentors, performs and joins the judges on the panel.

The top 20 Idol hopefuls perform a song of their choice to capture America's vote once more as the results from the top 24 vote are revealed.

The competition heats up as the Top 12 perform their favorite Billboard No. 1 hits live from Hollywood, giving their all to earn America's vote once more. Two Idol journeys will come to an end as the Top 10 is solidified by the end of the night.

Vying for a coveted spot in the Top 8, the Top 10 take viewers on a nostalgic journey with performances of songs from their birth years. Host Ryan Seacrest reveals the results of America's vote by the end of the show, airing live coast to coast.

The Top 8 perform one of three songs anonymously selected by Luke Bryan, Katy Perry or Lionel Richie, who are each competing for most songs chosen. America votes live coast to coast for their Top 6, with the judges making one save for the Top 7.

Performing live from Hollywood in front of judges Luke Bryan, Katy Perry and Lionel Richie, the Top 14 take on songs from Rock & Roll Hall of Fame inductees as America votes. By the end of the show, the Top 12 will be revealed.

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The top 20 take the stage again as host Ryan Seacrest reveals the 10 hopefuls America has voted to advance; the judges select the remaining four who will round out the top 14.