Playbill.com is marking the day by taking a look at their performances on stage and in concert.
McArdle at the 1977 Tony Awards.
McArdle performs "I Dreamed a Dream."
"Johanna" - Howard McGillin.
McArdle and her daughter Alexis Kalehoff duet on "The Me I Used to Know."
McArdle performs "As Long As He Needs Me."
McArdle's exclusive Playbill.com video with highlights of "Meadowlark" and more.
McGillin - "A Man Could Go Quite Mad."
McArdle sings "Buenos Aires."
McArdle joins Sarah Jessica Parker and Shelly Bruce for an Annie medley.
McArdle performs "You Made Me Love You."
McGillin - "The Music of the Night."
McArdle sings "Look for the Silver Lining."
McArdle sings "Beauty and the Beast."
"All the Things You Are" - Howard McGillin.