What American actress, singer, and songwriter stars alongside Josh Gad, Kristen Bell, and Jonathan Groff in what upcoming 2017 American 3D computer-animated holiday-themed musical fantasy featurette short film?
Olaf's Frozen Adventure:  The film features the voices of Josh Gad, Kristen Bell, Idina Menzel, and Jonathan Groff reprising their roles from the original 2013 film, "Frozen". Idina Menzel: Idina Kim Menzel ( ; born Idina Kim Mentzel; May 30, 1971) is an American actress, singer, and songwriter.
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