In 2003, Peters starred as Mama Rose in the Broadway revival of "", earning another Tony nomination. Ben Brantley in "The New York Times" wrote, "Working against type and expectation under the direction of Sam Mendes, Ms. Peters has created the most complex and compelling portrait of her long career, and she has done this in ways that deviate radically from the Merman blueprint." In 2006, she participated in a reading of the Sondheim-Weidman musical "Bounce". In 2007, Peters participated in a charity reading of the play "Love Letters" with John Dossett. Peters starred in the Broadway revival of Sondheim's "A Little Night Music" (2010), replacing Catherine Zeta-Jones in the role. "The New York Times" reviewer wrote of her performance,