Which judge has she most enjoyed talking to throughout her run?
Darci Lynne, who uses ventroliquism to overcome her shyness, also earned the Golden Buzzer from judge Mel B - and a theater-wide standing ovation - during her first audition on the season's first episode.
Darci wrote on her website, "Growing up, I loved to sing, but the thought of performing in front of an audience left me petrified".
Coming in third was Light Balance, followed by Mandy Harvey and Sara & Hero, in fourth and fifth places, respectively.
"Although winning America's Got Talent would be incredible and life-changing, my primary focus is to spread joy and happiness through laughter and song".
The two girls were alone with host Tyra Banks for more than 10 minutes, and just before the former supermodel revealed the victor both girls seemed to be emotionally exhausted.
The Oklahoma City youngster wins a million dollars and the chance to headline a show in Las Vegas. Not bad for a 12-year old and some puppets! After that, I found myself pretty suspicious that Shania was lip-synching when she went solo with her newer song.
During night two of the live finale, Darci was joined onstage by Terry Fator, who won season 2 of America's Got Talent.
As the victor, Darci Lynne will take home the grand prize: $1 million, and a headlining show on the Las Vegas strip.
Wednesday night on Season 12 of America's Got Talent another Oklahoman ruled the entertainment world.