haute couture
US /ˌoʊt kuːˈtʊr/
UK /ˌoʊt kuːˈtʊr/

1.
expensive, fashionable clothes produced by leading fashion houses
:
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The fashion show featured the latest haute couture designs.
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She dreams of wearing a custom-made haute couture gown.
expensive, fashionable clothes produced by leading fashion houses