I like them. They could be 'clingy' with the polystyrene so maybe buy some Bounce sheets, or similar?
Can we please stop with the age thing, though? Your age is completely irrelevant.
Nobody will convince me Iris Apfel isn't one of the most fabulously dressed women on the planet and, at 102, she gives zero fucks about how she's 'supposed' to dress for her age.
Like the skirt, wear the skirt!