Katharine McPhee Katharine McPhee

With the future of Bombshell hanging in the balance (more specifically, in Eileen's hands), we don't know what to expect of the musical when Smash returns for an all-new episode Tuesday. Will it be Julia's reimagined male-driven narrative or Tom's favorite Marilyn-centric draft?

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Perhaps it will be something in between! Watch this exclusive sneak peak featuring Karen's performance of the newly-imagined "Never Give All the Heart" below.

What do you think of the new version?Smash airs Tuesdays at 10/9c on NBC.