American Idol

Hopefuls audition for the judges.

Hopefuls audition for the judges.

Hopefuls audition for the judges.

Hopefuls audition for the judges.

The judges continue their search for the next singing sensation in Los Angeles; Austin, Texas; and Nashville, Tenn.

Hollywood Week kicks off with alums returning to mentor the contestants, including Jordin Sparks, David Cook, Lauren Alaina, Ruben Studdard, Chayce Beckham, Lee DeWyze, and Haley Reinhart. Then, fan favorites from auditions take the stage for the Genre Challenge.

Fan favorites form dynamic duos and hit the Hollywood stage for the Duets Challenge. Platinum Ticket winners handpick their duet partners and rejoin the competition.

Taking the stage for their first time with a band, Idol hopefuls sing their hearts out in their last chance to make it into the Top 24. In the Final Judgment, two pairs of contestants face off in a sing-off.

Idol returns to Aulani Resort in Ko Olina, Hawaii, to kick off 2 nights of performances by the Top 24. Idol alum Jimmie Allen serves as a mentor.

The Top 24 performances conclude. Pop star Bebe Rexha mentors Idol hopefuls.

The Top 20 is revealed and then performs for America’s vote.

America's votes choose 10 Idol hopefuls, after which the judges choose an additional 4 singers to round out the Top 14.

Idol alum Gabby Barrett returns to mentor the Top 14 and offer guidance on what it takes to become America's next superstar.

The judges each pick a song for each of the Top 11 to perform. Without knowing who offered the suggestion, each contestant selects their favorite song to perform, revealing the winning judge.

Derek Hough mentors the Top 10 contestants as they prepare to perform beloved Disney tunes in hopes of securing America's vote.

Idol greats Ruben Studdard, Scotty McCreery, Jordin Sparks, David Cook, Lauren Alaina, Kris Allen, Maddie Poppe, Laine Hardy, Willie Spence, Caleb Lee Hutchinson, Grace Kinstler, Laci Kaye Booth, and additional surprise guests, reunite on the Idol stage.

In a special Mother's Day episode, the top seven dedicate songs to their mother or the mother figure in their lives; will.i.am returns to mentor the remaining contestants vying for a spot in the top five.

The Top 5 contestants travel to Las Vegas to be mentored by Carrie Underwood; each contestant will perform two songs.

The top three perform, and a winner is chosen; guest performers include Carrie Underwood, James Arthur, Sara Bareilles, Gabby Barrett, Michael Bublé, Deana Carter, Earth, Wind and Fire, Melissa Etheridge, Flo Rida, Ben Platt and more.