American Idol - Season 15

The 15th and final season of American Idol begins tonight with auditions from Denver, Colorado and Savannah, Georgia. Host Ryan Seacrest and Judges Harry Connick Jr., Jennifer Lopez and Keith Urban all return.

Auditions continue tonight from Little Rock, Arkansas and San Francisco, California.

The 3rd group of auditions are shown tonight from Philadelphia, Pennsylvania.

Hollywood Week continues as more vocalists perform for the judges in hopes of making it to the next round.

Hollywood week continues and the contestants are put to the test. Who will come out on top?

The contestants have survived Hollywood week and it is time to find out who will continue on in the competition. Only the best of the best will make it through as the Top 24 are revealed.

Twelve of the top 24 contestants perform in hopes of making it to the next round.

Fan-favorite singers Ruben Studdard, Fantasia, Scotty McCreery, Lauren Alaina, Caleb Johnson and Nick Fradiani return to mentor and sing with the contestants; the judges decide who will stay in the competition.

Twelve of the top 24 contestants perform in hopes of making it to the next round.

Fan favorites Constantine Maroulis, Chris Daughtry, Kellie Pickler, Jordin Sparks, David Cook and Haley Reinhart return to mentor the contestants and perform; the judges determine which contestants will be eliminated.

After proving themselves alongside IDOL legends, some semifinalists will reach the end of their journey. The judges will announce the first eight semi-finalists to make it into the Top 10, leaving six to sing for America's vote and the final two spots in this farewell season's Top 10.

The first live show of the season is finally here! Host Ryan Seacrest will reveal America's Vote and announce the final two semi-finalists joining the Top 10. Then, the Top 10 finalists will perform for America's vote.

After the finalists face elimination, the top eight singers are revealed.

The top five finalists perform in hopes of making it to the next round; Adam Lambert performs.

The four remaining contestants perform for the judges.

In Part 1 of the two-part series finale, the Top 3 singers perform at the Dolby Theatre in Los Angeles.