"The 2013 Billboard Music Awards" announce more star-studded acts to their already loaded performers list, including Jennifer Lopez, Chris Brown, Nicki Minaj, Lil Wayne, Ed Sheeran, David Guetta, Ne-Yo, Akon and Icona Pop. The broadcast, executive produced by Don Mischer, will air live from Las Vegas at the MGM Grand Garden Arena on SUNDAY, MAY 19 (8:00-11:00 pm, ET) on The ABC Television Network, sponsored by Chevrolet, Las Vegas, Samsung Galaxy S