Tonight on “American Idol,” Meghan Trainor mentors the Top 12 before they perform their favorite Billboard #1 hits live, giving their all to earn America’s vote for the coveted Top 10. 2008 runner-up David Archuleta also returns to perform his new single.

Harper sang "Heartbreak Hotel" and Matthews performed a hit by the trio of Dolly Parton, Emmylou Harris and Linda Ronstadt.

The episode saw the end of two more journeys, with contestants Roman Collins and Jayna Elise leaving the show. Below, Billboard goes deep with season 22’s top 10 contestants as well as the four contestants eliminated over the last few days.

Here’s a breakdown of the top 10 round. What happened during the ‘American Idol’ top 12 round? During Monday night’s episode, which focused on Billboard No. 1 hits from ov

Will Moseley, McKenna Faith Brienholt, Jayna Elise, Triston Harper, Ali Carter, Roman Collins Front row: Kayko, Emmy Russell, Kaibrienne, Jack Blocker, Julia Gagnon, Mia Matthews Host Ryan Seacrest shared that the songs that the Top 12 would be performing were songs that made it to No.