The 2014 ACM Awards are only a few weeks away, and more singers have been added to the star-studded lineup.

Rocker Stevie Nicks will perform with Lady Antebellum. Eric Church and Toby Keith have also been added. They join a previously-announced list that includes Keith Urban, Miranda Lambert, Jason Aldean, George Strait and the show's co-hosts, Blake Shelton and Luke Bryan.

Lambert and Tim McGraw lead the list of nominees, with seven each. Lambert joins her husband, along with Taylor Swift, Strait and Bryan in being nominated for the night's highest honor, Entertainer of the Year.

The 49th annual ACM Awards will air live from Las Vegas on Sunday, April 6, at 8PM ET on CBS. More performers are expected to be announced shortly. See a complete list of nominees here.