About Crystal Bernard
Crystal Lynn Bernard is a retired American singer-songwriter and actress, best known for her roles as Helen Chappel-Hackett on the sitcom Wings (1990–1997), Amy on It's a Living (1985–1989), and K.C. Cunningham on Happy Days (1983–1984). In 1989, she starred in a television pilot, Chameleons, created by Glen A. One recording of the two that has survived from those years is a song called "The Monkey Song" on Feudin' Fussin' and Frettin', recorded when Crystal was eight years old.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.