The Wicked and Smash star will be baring even more of her soul during an upcoming Broadway @ The Art House concert series.
Broadway @ The Art House will welcome the crooner back later this summer.
Additional performers for the benefit concert have been announced.
Sirius/XM Radio personality Seth Rudetsky will serve as host for the scheduled lineup of Broadway talent.
The production currently features Max Crumm, Charity Dawson, and Rudetsky himself.
The musical comedy's cocreator Seth Rudetsky will host the evening.
Michele Ragusa will depart the production later this week.
Plotnick will join the cast of the parody musical next week.
Broadway's biggest stars head south for the winter.