Crystal Lynn Bernard (born September 30, 1961) is an American singer-songwriter and actress, best known for her roles as Helen Chappel-Hackett on the sitcom Wings, Amy on It's a Living (1985–1989), and K.C. Cunningham on Happy Days (1983–1984).
Crystal Lynn Bernard (born September 30, 1961) is an American singer-songwriter and actress, best known for her roles as Helen Chappel-Hackett on the sitcom Wings, Amy on It's a Living (1985–1989), and K.C. Cunningham on Happy Days (1983–1984).