Jackie Evancho YouTube star: 10-year-old opera singer advances on America's Got Talent

Jackie Evancho, a 10-year-old opera singer and YouTube sensation, was among the contestants who advanced to the semifinals on Wednesday's episode of "America's Got Talent."

Click here to see the other advancing acts.

Evancho expanded her Internet fan base after performing on Tuesday's episode of "AGT." It featured YouTube auditions and Evancho got the most votes from viewers going into the show.

Evancho stunned listeners with her incredibly mature voice.

Not everyone's sold, however.

Some people accuse Evancho of lip-syncing. Others say producers planted her on the show.

Critics point to this Wikipedia page, which says Evancho has released a debut album and is scheduled to perform in Carnegie Hall in December.

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