Red Shoes, No Knickers
A mid 20th century saying denoting the person in question is only concerned by outward appearances. A similar phrase is
All fur coat no knickers or more literally all design no substance.
Red shoes have become cultural icons due to their occurrence in various pieces of literature.
Moira Shearer can't stop dancing in The Red Shoes
Jayne Mansfield and Marilyn Monroe prove irresistable in Gentlemen Prefer Blondes.
Beaded red shoes c1905
Red suede court shoes by Holmes 1950s
Red glitter sandals by Rayne c1975
Guradsman sandals by Charlotte Olympia c2015