Any chatter about Carrie Underwood's inauguration performance has reportedly been "forbidden" on the American Idol set as the singer makes her judging debut.

Carrie Underwood will make her debut as a judge on Season 23 of 'American Idol' — but some fans will not be tuning in.

In a never-before-seen moment from Kelly's interview with Adam Lambert, Adam reflects on the "out-of-body" experience ...