Sienna Miller is the boho style muse of our generation, having forever altered our outlook on festival fashion with her effortlessly assembled Glastonbury outfits through the noughties. 

The actress, 41, redefined the way we see wellies after her succession as Worthy Farm’s most prolific style veteran. From her low-rise hotpants to crochet cardigans, beachy blonde hair and muddy Ugg boots, Sienna’s ability to make minimal-glamour outfits look chic is just one of her endless talents.

Most recently, Sienna’s signature boho style made a return as she slipped into a broderie anglaise strappy dress to debut her pregnancy in Ibiza. Looking gorgeous and glowing, the Anatomy of a Scandal star epitomised elegance in the tiered floral dress which she teamed with a chunky metallic belt and dramatic red earrings. 

Be it boho festival babe or old school Hollywood glamour, there’s no dress code Sienna can’t perfect. 

In light of the star’s pregnancy with her boyfriend Oli Green, 26, HELLO! delves into the archives to unveil Sienna’s most memorable red carpet outfits. Keep scrolling to see more…

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Venice Film Festival, 2004

Noughties style muse Sienna channelled fairycore in an