Did Christina Aguilera Lip Synch At MSG?

The New York Daily News reports that during Christina Aguilera’s concert at Madison Square Garden, people were speculating that she was lip-syncing some of her power ballads. “Miss Aguilera is one of the most talented vocalists to ever grace the stage,” said Aguilera’s manager Irving Azoff, “however, we did have a technical problem with the sound equipment at the Garden.”