mutton dressed as lamb
Still on the theme of animals associated with spring and Easter..... here we have a woman compared to sheep... that is on old sheep, mutton, and a young one, a lamb.
In fact we use this expression to suggest that a woman is dressed, or made up, to look much younger than she is.
Fashion writer Sarah Mower in the Daily Telegraph said that 50-year-olds in leather jackets fall into the saddest fashion category of all: mutton dressed as lamb. "Everyone past the age of 40 needs a 'mutton monitor'," she wrote.
The expression was first used in the 1800s, when women were sometimes forced to appear younger in order to find a husband. Now, on the other hand, many women just choose to wear clothes they like to wear, like the American artist mentioned by another fashion journalist in The Guardian