Sabrina LeBeauf (born March 21, 1958 in New Orleans, Louisiana) is an American actress who is best known for her portrayal of Sondra Huxtable Tibideaux on the NBC situation comedy The Cosby Show. She has voiced the character Norma Bindlebeep on the Nick at Nite animated series, Fatherhood, a show based on Bill Cosby's book of the same name.