Christiane starred on Broadway in the Kennedy Center Revival of "Ragtime,"receiving TONY and Drama Desk award nominations and winning a Helen Hayes award for their portrayal of Mother. Other Broadway and National Tour appearances include "Chaplin," "Urinetown" (Ovation Award), "The Mambo Kings" (pre-Broadway), "It Ain't Nothin' But the Blues," "Jekyll & Hyde," "Grease," "Miss Saigon" and "South Pacific" (Australia/Thailand). She is a frequent guest soloist with symphony orchestras around the world, including National Symphony and Marvin Hamlisch, Cincinnati Pops and Eric Kunzel, Jerusalem Symphony and Don Pippin, Philadelphia Pops and Peter Nero, Boston Pops and Keith Lockhart, Vancouver Symphony Orchestra with Jeff Tyzik, as well as international appearances with Sinfonica Brasileira in Rio, China Philharmonic with concert pianist, Lang Lang and orchestras in Hong Kong, Czech Republic and Kuala Lumpur, Malaysia. She made her Carnegie Hall debut with Skitch Henderson, in his last pops performance with The New York Pops and more recently sang with Steven Reineke for Stephen Sondheim's 80th Birthday Celebration at Carnegie Hall. She made her Hollywood Bowl debut singing with Julie Andrews and her opera debut with Placido Domingo in "The Merry Widow"as well as City Center Encores! "The New Moon," "The Student Prince," "Pirates of Penzance" and "The Mikado." Premieres: "The Witches of Eastwick," "Frankenstein," "Ace" (Helen Hayes nom), "Call The Children Home," "Little by Little" and "Lizzie Borden." Film: "The King & I" (Singing Anna – Warner Brothers Animated Feature). Favorites: "Closer than Ever"revival, "Little Shop of Horrors," "Mack & Mabel" (Conn. Critics Circle Award), "The Baker's Wife," "Into The Woods" and "Carousel." She has made appearances with Town Hall’s Broadway By the Year, Lincoln Center American Songbook Series, at Feinstein's, Joe’s Pub, 54 Below and Birdland. Solo Recordings: A Broadway Love Story, Live at the West Bank Café, The Ira Gershwin Album, My Personal Property and Gifts: Live at 54 Below.