Whelchel played spoiled rich girl Blair Warner for all nine seasons of The Facts of Life, while Aniston played spoiled rich girl Rachel Green for all 10 seasons of Friends. Aniston may in fact (of life) be overqualified for this role. 

Brrr! It's cold in here! There must be some Tootie in the atmosphere! Fields skated to stardom as the youngest of Mrs. Garrett's girls, Dorothy "Tootie" Ramsey, in 1979, while Union cheered her way to icon status in 2000's Bring It On.