Music The CW

Highlights of the 2012 concert in Las Vegas. Scheduled performers: Taylor Swift; Usher; Bon Jovi; Aerosmith; Pink; Jason Aldean; Green Day; Rihanna; Swedish House Mafia; No Doubt; Lil Wayne; Miranda Lambert; Shakira; Brad Paisley; Enrique Iglesias; Mary J. Blige; Linkin Park; Calvin Harris; and Pitbull.