March 15, 2011 5:12 pm Steven Tyler & Jennifer Lopez to Perform on “American Idol” Judges Steven Tyler and Randy Jackson confirm Aerosmith and Jennifer Lopez will perform on the “Idol” stage this season. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 5:44 May Day demonstrations, Gaza war protests continue across Bay Area 3:27 May Day demonstrations planned, Gaza war protests continue across Bay Area 2:27 Junk fee law bans restaurant surcharges