Sienna Miller M&S: Sienna Miller's the new face of Marks & Spencer

Sienna Miller and M&S have your cool-girl autumn wardrobe covered

Sienna Miller is the new face of M&S fashion

Sienna Miller to star in UK television ad as new face of Marks

Sienna Miller M&S: Sienna Miller's the new face of Marks & Spencer

90's UK/marks & spencer wool blouson

Pregnant Sienna Miller Shows Off Baby Bump in Fall Fashion Campaign

Sienna Miller X M&S has landed for your autumn wardrobe

Sienna Miller's VERY trendy M&S collection is revealed: Lime green

Sienna Miller powers AW23 at Marks & Spencer