September 29, 2011 Photos | iHeartRadio Festival Rocks Las Vegas Edit Delete Tags Autopost iHeartRadio Festival Rocks Las Vegas Related Artists Lady Gaga Jennifer Lopez Source: http://www.mtv.com/photos/?fid=1671463Alicia Witt Amanda Bynes Amanda Detmer Amanda Marcum Amanda Peet Amanda Righetti Amanda Swisten Amber Arbucci Amber Brkich Amber Heard Amber Valletta America Ferrera Amerie Amy Cobb Amy Smart