Megan Hilty is simply incredible in the role of Ivy Lynn. She lets loose for a number in this scene from the Smash episode "Chemistry.'
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Sing it, Karen! Katharine McPhee belts out a tune in this scene from the Smash episode "Chemistry."
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Smash Season 1 Episode 6 Music

  Song Artist
Song Shake It Out Smash Cast
Song On Lexington & 52nd Street Smash Cast