We're obsessed with the Sienna Miller x M&S collab - here are the 9 best pieces

Sienna Miller has teamed up with Marks & Spencer to front its latest autumn/winter 2023 collection, these are our favourite looks

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We're obsessed with the Sienna Miller x M&S collab - here are the

We're obsessed with the Sienna Miller x M&S collab - here are the

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