American Idol season 4

American Idol
Season 4
Hosted by	Ryan Seacrest
Judges	Paula Abdul Simon Cowell Randy Jackson
Winner	Carrie Underwood
Runner-up	Bo Bice
Finals venue	Kodak Theatre
Release
Original network	Fox
Original release	January 18 (2005-01-18) – May 25, 2005 (2005-05-25)
Season chronology
← Previous Season 3 Next → Season 5
List of episodes

The fourth season of American Idol premiered on January 18, 2005, and continued until May 25, 2005. It was hosted by Ryan Seacrest. Randy Jackson, Paula Abdul, and Simon Cowell also returned as judges. Carrie Underwood won the season with approximately 500 million votes cast in the season and 37 million for the finale, while Bo Bice was the runner-up. Underwood has since gone on to become an eight-time Grammy-winning country megastar. It was also the first season of the series to be aired in high definition.