Performer’s attires require alteration (7)

I believe the answer is:

artiste

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'performer's' is the definition.
(artiste is a kind of performer)

I don't understand how the rest of the clue works.

(Other definitions for artiste that I've seen before include "Person playing" , "One entertaining" , "Attires (anag.)" , "Attires like entertainer" , "'Public performer, dancer or singer (7)'" .)

I've seen this clue in The Hindu.

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