Dresses up as girls (5)

I believe the answer is:

dolls

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'girls' is the definition.
(I know this)

I don't understand the remainder of the clue.

(Other definitions for dolls that I've seen before include "Small models of humans" , "Small replicas of people" , "Police speed-measuring zone" , "Toy replicas of people" , "Play figures" .)

I've seen this clue in the Evening Standard.

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