Sienna Miller wore a baby-blue velvet dress to be her sister 's

For Savannah Miller’s wedding, maid-of-honor Sienna Miller wore an ice-blue ’90s slip. Vogue gets an exclusive first look at the dresses for the wedding.

Sienna Miller in blue gown on Cannes Film Festival final night

Sienna Miller just wore one of Kate Middleton's favourite fashion brands

Sienna Miller heralds the return of the noughties ruffled sheer dress

In pictures: Sienna Miller among galaxy of stars at Vogue World event as she bares baby bump in daring frock

Sienna Miller wore a baby-blue velvet dress to be her sister 's maid of honor

Channeling Parisian perfection with Sienna's flawless ensemble! 😍 Fro, Parisian Fashion Looks

Jennifer Aniston Wears Glittering Gown in Paris — Plus, More Star Looks [PHOTOS]

In pictures: Sienna Miller among galaxy of stars at Vogue World event as she bares baby bump in daring frock

Sienna Miller: Latest News, Pictures & Videos - HELLO! - Page 2

Sienna Miller's pink jumper gives 'Anatomy of a Scandal' vibes

Sienna Miller heralds the return of the noughties ruffled sheer dress

Sienna Miller's 2000s Style in 20 Unforgettable Outfits

Sienna Miller Wore A Baby-Blue Velvet Dress To Be Her Sister 's Maid Of Honour

Last Night's Look: Love It or Leave It? Sienna miller style, Fashion, Celebrity street style