At the blind auditions on September 24, 2013, Lee performed Amy Winehouse's "Back to Black," persuading Christina Aguilera and Blake Shelton to turn their chairs. Lee chose Aguilera and remained on her team the entire season. In the Battle rounds, Lee was paired with Briana Cuoco where they sang the song "House of the Rising Sun," and advanced. During the Knockout round, Lee sang "Stompa" by Serena Ryder against Anthony Paul and Christina selected her to move on to the Live Playoffs, sending Paul home. Lee continued through the Live Rounds and during the Top 5, got an iTunes bonus for reaching the Top 10 overall songs with her studio version of "Angel" by Sarah McLachlan. In the Finals, Lee again received an iTunes bonus from reaching the #9 position with her recording of the Jennifer Holliday song "And I Am Telling You I'm Not Going." On December 17, 2013 she was declared to have come in 2nd place behind winner Tessanne Chin.