Kristian Merrill Bush is an American singer, songwriter, and record producer. Bush is one half of the country music duo Sugarland with Jennifer Nettles, and was a member of the folk rock duo Billy Pilgrim with Andrew Hyra. From Wikipedia
Sugarland's planned performance and presentation duties were disrupted as Jennifer Nettles fell ill, with Kristian Bush presenting solo and Little Big Town replacing them on stage.
