On Monday, November 14, Broadway's Chicago celebrated its 15th Anniversary at the Ambassador Theatre. The musical revival, which opened in 1996, become Broadway's longest running American musical this summer, passing A Chorus Line's 6,137 performances, which also makes it the fourth-longest running show in Broadway history.

Guests at the celebration included Chicago alumni Rob Bartlett, Paige Davis, Marilu Henner, James Naughton, Bebe Neuwirth, Roz Ryan, and Rocker Verastique as well as Spider-Man: Turn Off the Dark's Patrick Page, director Walter Bobbie, composer John Kander, and musical coordinator Seymour "Red" Press.

The current cast features Charlotte d'Amboise as Roxie Hart, Bahiyah Hibah as Velma Kelly, John O'Hurley as Billy Flynn, Chris Sullivan as Amos Hart, Carol Woods as Matron "Mama" Morton, as well as Donna Marie Asbury, Nili Bassman, Nicole Bridgewater, Dylis Croman, Michael Cusumano, James Harkness, James T. Lane, R. Lowe, Melissa Rae Mahon, Sharon Moore, Peter Nelson, Jill Nicklaus, Brian O'Brien, Jason Patrick Sands, and Brian Spitulnik.

Check out TheaterMania's salute to Chicago in the new TheaterMania Magazine.

For tickets and more information on the Broadway production of Chicago, click here.