Brooks & Dunn, Brad Paisley, Keith Urban, Gretchen Wilson and Lee Ann Womack have been added to the list of performers at the 40th annual Academy of Country Music Awards show taking place May 17 in Las Vegas. Additional presenters have also been announced, including Dr. Phil and Robin McGraw, NASCAR great Sterling Marlin and actress Michelle Stafford. Others just added as presenters include Deana Carter, Cowboy Troy, Josh Gracin, Alison Krauss, Blaine Larsen, Tracy Lawrence, Barbara Mandrell, Martina McBride, Reba McEntire, Craig Morgan, Joe Nichols, Jamie O'Neal, Julie Roberts, Josh Turner, Phil Vassar, Sugarland, Trick Pony, Van Zant, Diamond Rio's Marty Roe and Dana Williams, Lonestar's Keech Rainwater and Dean Sams and Sawyer Brown's Mark Miller. CBS will broadcast the awards show live from the Mandalay Bay Resort & Casino in Las Vegas.