Little Big Town and ACM award-winners Eric Church and The Band Perry have been added to the ACM Fan Jam and After Jam party in Las Vegas on April 3. Randy Houser and Steel Magnolia will also appear, along with newcomers Laura Bell Bundy, Sarah Darling, Bradley Gaskins and Casey James. As previously announced, Sugarland will headline the concert event, held as the ACM Awards take place the same night at the MGM Grand Garden Arena. The Band Perry have already been revealed as the winner of the ACM's best new duo or group, while Church has won for best new solo vocalist. They will compete in the category of best new artist during the show. Tickets for the ACM Fan Jam are available at Ticketmaster.