In addition, actor and Saturday Night Live comedian Kevin Nealon, ventriloquist and stand-up comedian Jeff Dunham, and Season 2 America's Got Talent winner Terry Fator are set to perform on the two-hour finale broadcast.
The finale will air from 8-10PM ET/PT on NBC, and the season champion will receive the $1 million grand prize as well as the chance to headline the "America's Got Talent Live" stage show from November 3-4 at the PH Showroom at Planet Hollywood Resort & Casino in Las Vegas.
Tickets for "America's Got Talent Live" at Planet Hollywood Resort & Casino go on sale Friday, September 22 at 1PM ET/PT.
Prior to Wednesday night's episode, the Top 10 finalists on America's Got Talent will perform one last time in the hope of receiving the majority of home viewer votes.
The last Season 12 performance show will air on Tuesday, September 19 from 8-10PM ET/PT.
The Top 10 finalists are singer and pianist Evie Clair, dance group Diavolo, singer and rapper Chase Goehring, 10-year-old singer Angelica Hale, deaf vocalist Mandy Harvey, comedian Preacher Lawson, dance group Light Balance, singing ventriloquist Darci Lynne, singer Kechi Okwuchi, and animal act Sara and Hero.