Who is the original singer of Stay by sugarland?

The original singer of "Stay" is the American country duo Sugarland, consisting of Jennifer Nettles and Kristian Bush. The song was released in 2004 as part of their album "Enjoy the Ride." It became one of their biggest hits, showcasing Nettles' powerful vocal performance. While Sugarland popularized the song, they are its original artists.