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 Wore a Baby-Blue Velvet Minidress to Be Her Sister's Maid Of Honour

Sienna Miller stuns in red Johanna Ortiz maxi dress at Jennifer Lawrence's Rhode Island wedding

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

Sienna Miller and Julianne Moore at Tory Burch NYFW

Sienna Miller Wore a Baby-Blue Velvet Minidress to Be Her Sister's Maid Of Honour

Utterly Romantic Courthouse Wedding Junebug Weddings

Sienna Miller heralds the return of the noughties ruffled sheer dress

From Sienna Miller to Jodie Turner-Smith: All of the best (and most daring) looks at Vogue World

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

Sienna Miller Makes First Appearance Post-Baby at Chloé Show: See Her Look!

Great Outfits in Fashion History: Sienna Miller in a Miniskirt, Cowboy Boots and Balenciaga City Bag

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