Sienna Miller's sister Savannah, 42, announces engagement to wealthy aristocrat Jim Whewell

The fashion designer, 42, shared sweet photo to Instagram with her fiancé - who is heir to the 800-acre Wyresdale Park Estate in Lancaster.

Savannah Miller's Instagram, Twitter & Facebook on IDCrawl

A sparkling surprise for Sienna's sis - PressReader

Pick Up Lines At The Mall Tinder Date To Relationship – KAR

Sienna Miller's fashion designer sister Savannah, 43, marries

TALK OF THE TOWN: New love for Sienna Miller's sister Savannah as

Sienna Miller's sister Savannah, 42, announces engagement to

Sienna Miller's sister Savannah surprises in sheer corset wedding

Sienna Miller's fashion designer sister Savannah weds in dress of her own design - OK! Magazine

Sienna Miller's fashion designer sister Savannah, 43, marries

Designers and sisters Savannah Miller (left) and Sienna Miller during a rehearsal for their Twenty8Twelve spring/summer London Fashion Week show, at the Old Sorting Office in central London Stock Photo - Alamy

Style SM8113, Lucia Wedding Dress by Savannah Miller Bridal

STELLA — Savannah Miller: Elegant and Understated Bridal

Sienna Miller Jo Miller Savannah Miller Editorial Stock Photo

Savannah Miller Bridal Wedding Dresses in the US & Canada