Susan Boyle enjoyed a triumphant return to the reality competition "America's Got Talent."

The 57-year-old British singer impressed the judges during Monday's premiere of "America's Got Talent: Champions" with her performance of The Rolling Stones song "Wild Horses."

Boyle earned the golden buzzer from Spice Girls singer Mel B, who gave the singer a standing ovation alongside fellow judges Simon Cowell, Howie Mandel and Heidi Klum.

"I just want to say what an absolute honor and a pleasure it is to be sitting here and listening to you, your angelic voice, and I want to be the woman that gives you something that you deserve," Mel B said before hitting her buzzer.

Boyle was the runner-up in "Britain's Got Talent" Season 3 in 2009, and performed "Wild Horses" during Season 4 of "America's Got Talent" that same year.

She recalled her time on "Britain's Got Talent" in a segment prior to her performance.

"Most of the audience, they were laughing, but they looked at my mouth, and that seemed to change. You don't expect people to be that excited about you," the star said. "I'm glad I stepped on that stage."

Boyle hopes to be a "champion" for others on "America's Got Talent."

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"A champion for those who maybe don't have the confidence to do things, for those who don't have a voice, the ones who people tend to ignore, I feel like I'm a champion for them," she said.

Boyle has released several albums, including "I Dreamed a Dream," "The Gift" and "A Wonderful World," since her time on "Britain's Got Talent."

She was nominated for Grammys in 2011 and 2012.