Meghan Trainor, Adam Lambert and Fifth Harmony Remember Their First Concert Ever

You never forget your first concert. For me it was KIIS FM’s Wango Tango. The year? 2003. The artists? Christina Aguilera when she went by “Xtina,“ Nelly when he was rocking that band-aid on his face and ’N Sync’s J.C. Chasez when he went solo for a second, among others.