While there were a number of different kinds of acts duking it out -- including a comedian, an opera singer, a magician, a singing ventriloquist and a knife-throwing duo, among others -- the night was filled with some seriously amazing powerhouse female vocalists.
From Christina Ramos' rocking reimagining of Blondie's "Call Me" to Susan Boyle's nostalgia-filled call-back to her big debut on Britain's Got Talent, the finals raised the bar when it came to scene-stealing musical numbers.
Here's a look at some of the dynamic singers who brought real girl power to the first night of the AGT: Champions finals.
The jaw-dropping performer, who won Spain’s Got Talent in 2016, proved why she took home the title with an incredible, high-energy cover of Blondie's "Call Me" that fused opera and rock in a whole new way.
The inspirational singer, who earned the Golden Buzzer from Simon Cowell during the first rounds of AGT: Champions, wowed the judges once again with a deeply emotional and powerful performance of Sia's "Opportunity."
The 11-year-old musical phenom, who also earned a Golden Buzzer -- from Howie Mandel earlier this season -- didn't disappoint the judges at all when she hit some amazing high notes during her performance of James Arthur's "Impossible."