Blake Shelton, Reba and Martina McBride will also take to the stage at the event in Las Vegas next month.
Additionally, viewers can expect performances from Alabama, Dierks Bentley, Ronnie Dunn and Sara Evans, while James Taylor will join Zac Brown Band.
The group joins previously announced performers and 'Entertainer Of The Year' nominees Jason Aldean, Toby Keith, Miranda Lambert, Brad Paisley, Taylor Swift and Keith Urban. Fans can vote for the 'Entertainer Of The Year' prize online now, with polls closing during the third hour of the broadcast.
Lambert has earned the most nominations at the event, being recognised in seven categories including 'Single Record Of The Year' and 'Song Of The Year' for her track 'The House That Built Me'.
It has already been announced that The Band Perry have won the 'Top New Vocal Duo Or Group' prize and that Eric Church has been named 'Top New Solo Vocalist'. They will now compete for the 'Top New Artist' award, to be handed out during the show.
It was also confirmed today that Ryan Seacrest and Nancy O'Dell will be among the presenters at the event, which takes place at the MGM Grand.
The 46th annual Academy of Country Music Awards - co-hosted by Reba and Shelton - airs Sunday, April 3, from 8pm ET/PT on CBS.
> In Full: Academy of Country Music Awards 2011 - Nominees