EXCLUSIVE: Katharine McPhee Performs "Never Give All the Heart" in Bombshell Concert

On June 8, cast members of NBC TV's musical drama "Smash" reunited for a one-night-only concert of Bombshell, the Marilyn Monroe musical-within-the-show. In this exclusive clip, Katharine McPhee sings "Never Give All the Heart," accompanied by composer Marc Shaiman on the piano. The concert raised over $800,000 for The Actors Fund. Watch another exclusive clip from the show.