Country music artist Miranda Lambert performs at Fremont Street Experience in Las Vegas on Saturday, April 17, 2010, as part of the Academy of Country Music (ACM) Awards All-Star Concert Weekend. Lambert is nominated for six ACM awards including Top Female Vocalist of the Year. The 45th annual ACM Awards will be held April 18 at the MGM Grand Garden Arena in Las Vegas. ( Photo/Las Vegas News Bureau, Brian Jones)