Playbill.com takes a look at some of O'Hara's performances from the past several seasons from Light in the Piazza to South Pacific and more.
"Cock-Eyed Optimist" from the Live from Lincoln Center broadcast of the Tony-winning revival of South Pacific.
With her Light in the Piazza and South Pacific co-star Matthew Morrison, performing "Tonight" from West Side Story.
Singing "It Only Takes Moment" from Hello, Dolly! with Matt Bomer at the Kennedy Center Honors, celebrating Jerry Herman.
O'Hara and Harry Connick Jr. sing from The Pajama Game during the 2006 Tony Awards.
The rousing Rodgers and Hammerstein song "Honey Bun" from South Pacific.