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.

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

Utterly Romantic Courthouse Wedding Junebug Weddings

See New Savannah Miller Wedding Dresses From Bridal Fashion Week

Sienna Miller nails off-duty nonchalance in New York

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Utterly Romantic Courthouse Wedding Junebug Weddings

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

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

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

See New Savannah Miller Wedding Dresses From Bridal Fashion Week