Dashing down the corridor after tipping the contents of her handbag out to stall for time. Costume designer Anthea Sylbert (who also worked with Polanski on Chinatown) gets the period spot on with the little baby doll dresses and sets the tone for Rosemary’s character with her predominant use of white.
You might also want to check out these amazing dolls by Alicia Newman-Breen – here’s her version of Mia Farrow and Ruth Gordon from Rosemary’s Baby:
And just for fun, here’s Rikki Lake and Divine from Hairspray: