An insider alleged that the 'American Idol' Season 23 crew was told not to discuss Carrie Underwood's inauguration performance.

Carrie Underwood was taken aback by an American Idol contestant - not for the first time this series - and found herself singing along to her own anthem, "Waiting All Day For Sunday Night." The 2005 American Idol winner is now a judge on the hit show and was treated to a rendition of her famous song,

Carrie Underwood has made a name for herself in music since winning American Idol in 2005, but her impressive career and past success on the show don't mean she's making the same money Katy Perry did as a judge on the show.