Backstage & Behind the Scenes at Wango Tango

See Shakira, Christina Aguilera, the DWTS gang and more hanging out at the SoCal music fest

STAND & DELIVER

The host with the most! Ryan Seacrest is poised to greet performers like Ariana Grande and Adam Levine backstage at the show. "Crowd is amped," he posted to Instagram of the all-day action.