Adam Lambert Shocks America’s Got Talent with Fiery “Chandelier” Cover—Simon Cowell Stunned Speechless as Former Voice Mentor Ignites the Stage Like Never Before in One of the Show’s Most Powerful Performances

Adam Lambert just delivered one of the most unforgettable moments in America’s Got Talent history. Fresh off his buzzworthy run as a mentor on The Voice, Lambert took the AGT stage by storm with an emotional, stripped-down rendition of Sia’s “Chandelier.” No elaborate effects, just raw, soaring vocals that silenced the room and visibly shook judge Simon Cowell. Viewers and fans erupted across social media, calling it a “vocal masterclass” and “performance of the season.” Lambert reminded the world exactly why he’s one of music’s most magnetic performers.

Don’t miss the performance that left everyone breathless—watch the full showstopper now! 👇👇

Adam Lambert appeared on Monday night’s finale of America’s Got Talent: All Stars to sing his version of Sia’s hit “Chandelier.”

The singer was joined on stage – well, mostly over the stage – by 18-year-old aerialist Aidan Bryant, who went on to be named the winner, as well as the Bello Sisters.

(Lambert was actually in London on Monday promoting his new album High Drama, which includes “Chandelier.”)

Bryant, who competed on AGT in 2021, said that while taping their performance he flew right into Lambert during the first take. The teen said his dream is to one day perform with P!nk, whose aerial work inspired him at an early age.

Lambert’s appearance on the show was a reunion for the one-time American Idol runner-up and Simon Cowell, who was a judge on Idol.

“I’m having major déjà vu. This is too weird,” Lambert said as Cowell addressed him after the performance.

Cowell told him: “This time I’m going to be nice because, Adam, you are honestly one of the nicest people in show business I’ve ever met. Such a star, I’m so proud of everything you’ve achieved.”