We do our show on Hollywood Boulevard across the street from the Hollywood and Highland shopping center. There are a lot of shops there and we wanted to give people visiting a real celebrity experience. So we set up hidden cameras at Randy’s Donuts and we enlisted the help of a major music star to sing live over the speakers as the people waited for donuts. The rest is donut history in our first-ever edition of #UndercoverSing with Christina Aguilera.

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