Kelli Christine O'Hara (born April 16, 1976)is an American actress and singer. She has appeared on Broadway and Off-Broadway in many musicals since making her Broadway debut as a replacement in Jekyll & Hyde in 2000. A six-time Tony Award nominee, her first nomination was for Best Featured Actress in a Musical for the 2005 production of The Light in the Piazza. Her subsequent nominations were for The Pajama Game (2006), South Pacific (2008), Nice Work If You Can Get It (2012) and The Bridges ofMadisonCounty(2014),before winning the Tony Award for Best Lead Actress in a Musical for the 2015 revival of The King and I. 　　O'Hara played the role of Young Hattie in the 2001 Broadway revival of Follies, and then played the role of Young Phyllis.She next appeared in the 2002 Broadway production of Sweet Smell of Success as SusanIn 2003 she played Albertine in the Off-Broadway Playwrights Horizons production of the musical My Life With Albertine,and, in 2004, Lucy Westenra in the Broadway production of the musical Dracula. 　　She starred as Clara in the 2005 Broadway production of The Light in the Piazza at Lincoln Center's Vivian Beaumont Theatre.She had appeared in a workshop of the musical at the Theatre Lab at Sundance, and in tryouts in Seattle and Chicago, as the character of Franca.She received a 2005 Tony Award nomination for Best Performance by a Featured Actress in a Musical.O'Hara has been nominated for, or won, a Tony Award for every subsequent role she has played on Broadway. her next Broadway musical, she played Babe in the 2006 revival of The Pajama Game, for which she was nominated for Best Leading Actress in a Musical. For this performance, New York Times reviewer Ben Brantley wrote that O'Hara "rockets past the promising ingénue status she attained with Light in the Piazza".