The women, who starred on the classic TV version of "Charlie's Angels," are to appear in the episode of "Shear Genius" to air Wednesday.
Jackson will be a guest judge on the show, of which Smith is the host.
Wednesday's episode will challenge contestants to recreate modern-day versions of iconic "Charlie's Angels" hairstyles.
Comedienne Sandra Bernhard will also take a seat on the judges' panel this week, Bravo said.
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