Carrie Underwood’s big “decision” before American Idol’s premiere.

Carrie Underwood may have won American Idol years ago, but stepping into the judge's seat has come with a learning curve. Luckily for the new judge, her fellow co-stars, Luke Bryan and Lionel Richie,

As he begins to belt the lyrics and head bang along to the beat, Underwood is seen grooving and singing with Insit