Barbara Cook supports her friend and song provider as he gets teary during his birthday party
The highlight of an evening of highlights: Angela Lansbury and George Hearn re-create their Sweeney Todd roles (Paul Gemignani conducts the orchestra behind them)
Michele Pawk sings "Send in the Clowns" to real-life hubby John Dossett
A signature Patti LuPone belt on "Being Alive"
All of New York City wishes Sondheim a happy birthday
From Pacific to the Woods: B.D. Wong sings "Children Will Listen"
So in love: Marin Mazzie and Jason Danieley
Michael Cerveris and Becky Ann Becker are Assassins again
John Dossett, Laura Benanti and Danny Gurwin sing from Night Music
Debra Monk takes her turn with "I'm Still Here"
Judy Kaye came to sing between performances of Candide but didn't have time to remove her wig and makeup
Danielle Ferland and Alexander Gemignani merrily roll along (with Chris Fenwick on piano)
Barbara Cook was one of the final performers of the evening
Lonny Price tells Michael Cerveris about "Franklin Shepard, Inc."
Andrew Lippa (left) and Joss Whedon discuss Sondheim's impact on American culture with him
Daisy Prince and Lonny Price reminisce about Merrily We Roll Along
Sorry the picture's not perfect, but we knew BWW readers would want to see Donna Murphy interpreting "Losing My Mind"
A little Bounce from Michele Pawk and Gregg Edelman
Charmian Carr introduces a song from Evening Primrose, in which she starred in 1966 (you may remember her as The Sound of Music's Liesl)
Neil Patrick Harris finishes the hat
All performers on stage and all audience members on their feet as Sondheim takes a bow
The honoree embraces Paul Gemignani, musical director for many Sondheim shows
Barbara Cook, George Hearn, Angela Lansbury and a theater full of fans and other performers sang "Happy Birthday" to Sondheim
Mrs. Lovett and Sweeney Todd never looked this good before!
Alvin Ing, who's been in both Broadway productions of Pacific Overtures
Jason Robert Brown (left) and Richard Maltby, both lyricists themselves, discuss their favorite Sondheim lyrics
Blowing out the candles as the evening draws to a close