Broadway star Allison Janney was a guest star on The Late Show With Stephen Colbert April 24. Janney currently stars in the Broadway revival of John Guare鈥檚 award-winning play, Six Degrees of Separation, which opens April 25 at the Ethel Barrymore Theatre.
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Janney鈥檚 guest appearance on The Late Show caused her to miss her ritual vocal warm ups, so host Colbert suggested that they try his own personal pre-show routine to make up for it. Watch the pair鈥檚 comedic vocal warm-ups in the video above.
