O'Hara received her first Tony nomination for her performance in The Light in the Piazza in 2005. She was also Tony-nominated for her work in The Pajama Game, South Pacific, Nice Work If You Can Get It  and The Bridges of Madison County. She has yet to win the award.

Click through to see some of O'Hara's acclaimed performances throughout the years.

"Getting to Know You" from The King and I

A montage of clips from The King and I.

"To Build a Home" from The Bridges of Madison County

"That's How I Say Goodbye" from Sweet Smell of Success

Kelli and Greg Naughton perform "Fine" from Adam Gwon's Ordinary Days

"Not a Love Story" by Kait Kerrigan and Brian Lowdermilk

Kelli O'Hara performs "What I Did for Love" with Audra McDonald, Megan Hilty, Raul Esparza, Brian d'Arcy James, Maria Friedman, Beth Behrs, Josh Groban and The New York Philharmonic

Kelli O'Hara sings "There Once Was a Man" with Harry Conick Jr.

Kelli O'Hara and Matt Bomer sing "It Only Takes a Moment" at the Kennedy Center Honors

"The Bench Scene" from Carousel

Kelli O'Hara discusses playing Billie Bendix in Nice Work If You Can Get It

"Tell Me Something I Don't Know" at Joe's Pub

Balcony Scene from West Side Story with Matthew Morrison

"You're The Top" with Jason Danieley

Kelli O'Hara sings the National Anthem at Yankee Stadium

"Make Someone Happy" at Defying Inequality