Polly Dean Holliday is an American actress who has appeared on stage, television and in film. She is best known for her portrayal of sassy waitress Florence Jean "Flo" Castleberry on the 1970s sitcom Alice, which she reprised in its short-lived spin-off, Flo. Her character's catchphrase of "Kiss my grits!" remains the most memorable line associated with the series Alice.

Alice is an American sitcom television series that aired on CBS from August 31, 1976, to March 19, 1985. The series is based on the 1974 film Alice Doesn't Live Here Anymore. The show stars Linda Lavin in the title role, a widow who moves with her young son to start life over again, and finds a job working at a roadside diner in Phoenix, Arizona. Most of the episodes revolve around events at Mel's Diner, where Alice is employed.