Carrie Underwood

This could be the longest season of 'American Idol' in years.

They just don't make 'em like this anymore.

Ever wonder how Carrie Underwood records 18 weeks of 'Sunday Night Football,' plus the playoffs?

"Some things are unfathomable," Underwood begins.

Carrie belted this one out for the congregation.

The song was a turn in a very different direction.

Find a comparison of how it started and how it's going for Underwood, plus 21 pictures that show the highs and lows of her hair makeover journey.

Carrie Underwood will once again welcome football fans into Sunday Night Football coverage on NBC this season.

Luke Bryan's got some thoughts on Carrie Underwood's return to the 'Idol' stage.

Here is everything Underwood and 'American Idol' producers and judges have said, plus what you need to know about this cycle.