The 2015 Academy of Country Music Awards, are just around the corner, but the list of performers continues to grow! New additions to the lineup include Martina McBrideAlan Jackson and one big comeback so big, it's tough to believe we're so lucky.

Jackson and McBride are just the icing on the talent cake — Brad Paisley, Lady Antebellum, Little Big Town and Rascal Flatts are also slated to perform during the April 19 show. And in the comeback of all comebacks, Brooks & Dunn are also booked for the 50th ACM Awards!

And because we're an inviting genre, a few pop names are on the bill. Christina Aguilera is scheduled, but her performance details are top secret so far. She will sing with a surprise guest. Nick Jonas will also be there for a duet with Dan + Shay.

Originally announced 2015 ACM Awards performers include: Jason Aldean, Dierks Bentley, Garth Brooks, Kenny Chesney, Eric Church, Miranda Lambert, Reba McEntire, Florida Georgia Line, George Strait and Keith Urban. Three New Artist of the Year nominees — Thomas Rhett, Cole Swindell and Sam Hunt — will perform, as well.

The 2015 ACM Awards will take place on April 19 at 8PM ET. Luke Bryan and Blake Shelton will once again host the event. They will also perform.