Kristin Chenoweth (born July 24, 1968) is an American singer and actress, with credits in musical theatre, film and television. She is best known on Broadway for her performance as Sally Brown in You’re a Good Man, Charlie Brown (1999), for which she won a Tony Award, and for originating the role of Glinda in the musical Wicked (2003). Source From http://en.wikipedia.org/wiki/Kristin_Chenoweth