HILARY DUFF'S LIP-SYNCING CLAIMS

Singer Hilary Duff is hitting back at reports she was caught lip-syncing during a concert in Mexico on Saturday, insisting "faulty equipment" sparked the misunderstanding. The Pop star was caught bending over her microphone and silently singing into it as part of concert footage posted on YouTube.com. Her representatives are claiming the microphone was faulty and she could clearly be heard singing by all her fans in front of the stage. One aide says, "There was no sound coming out, but she was singing." People.com reports Duff was using venue-provided sound equipment rather than her regular gear, and her microphone was inadvertently set to mute for the first few seconds of her performance.

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