Jessica Sanchez Sparkles For OC's Christmas Extravaganza Concert

Jessica Sanchez stuns and sparkles in a gorgeous gown as she arrives at the 2015 OC Christmas Extravaganza Concert and Ball held at Christ Cathedral on Wednesday night (December 23) in Garden Grove, Calif.

The 20-year-old singer joined other American Idol alumni at the concert event.

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“It’s gonna be like a big Idol party! There’s gonna be so much talent, it’s ridiculous,” Jessica told us about the concert. “I’m excited not only to meet them but to hear them sing also!”