In 2008, Walsh appeared on the reality television singing competition Rock the Cradle, which featured the offspring of famous Singers competing against one another. She came in third place. Judge Larry Rudolph said that "the hairs on his arms were standing up" after hearing her. She received a "Perfect 10" from Rudolph for her performance of Don Henley's "The Heart of the Matter". Fellow judge Brian L. Friedman said, "Lucy was untouchable ... magical, I was in her soul."