On September 20, Darci Lynne Farmer won the twelfth season, becoming the third ventriloquist, third child act and the third female act to win the competition (second year in a row after VanderWaal 's win in 2016). Child singer Angelica Hale was announced as the runner - up, Ukrainian dance act Light Balance finished in third place, deaf musician Mandy Harvey finished in fourth place and dog act Sara & Hero finished in fifth place.
when does season 12 of americas got talent end
September 20