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Sienna Miller in Oscar de la Renta

See Every Look from the 2015 Oscars Red Carpet

Sienna Miller wore a gorgeous textured Oscar de la Renta dress, pulling off a navy and black combination flawlessly. Her black satin clutch and simple, delicate Forevermark earrings screamed elegance, along with those felt bow embellishments!

Sienna Miller in Lanvin - Cannes Film Festival 2015: Red Carpet | Harper's Bazaar

Cannes Film Festival 2015: Red Carpet

WHO: Sienna Miller  WHAT: Ralph Lauren  WHERE: Ralph Lauren Fall 2016 show  WHEN: February 18, 2016

10 Best Dressed: Week of February 22, 2016

Sienna Miller in Marchesa at the 2007 Golden Globes

Sienna Miller- Marchesa Sienna Miller was best- known for being a fierce fashionista in This look pulled off two red carpet taboos: Milkmaid braids and Grecian drapes. Sienna turned two "don't"s into resounding "do"'s!

Dior!!! The grey is soft the drapes are beautiful this dress and the jewellery are just breathtaking it's one of my all time favourite outfit looks of the red carpet


Listen, this whole thing is good.

Sienna Miller Does Not Look Terrible

Sienna Miller Takes the Sexy Plunge on Golden Globes 2015 Red Carpet  | sienna miller golden globes 2015 03 - Photo

Sienna Miller Takes the Sexy Plunge on Golden Globes 2015 Red Carpet : Photo Sienna Miller rocks a plunging dress at the 2015 Golden Globe Awards held at the Beverly Hilton Hotel on Sunday (January in Beverly Hills, Calif.

Turning heads: Sienna Miller looked in good spirits as she left the Apollo Theatre in London on Tuesday

Sienna Miller shares motivating 'dressing room mirror chat' snap