03  Ever since Sienna Miller started her downward fashion spiral, we've been on the lookout for a suitable heir. Luckily, we may not have to look too far. Sienna's little sis, fashion designer Savannah, debuts her capsule cashemere collection for Hong Kong label, Shanghai Tang, this season, and, happily, she's not a huge fan of boho.

"I don't think there's anything cool about being scruffy," says Savannah, who claims to take her inspiration from Audrey Hepburn, and whose top style tip is  "Iron it, iron it, iron it." Sienna, I hope you're listening...

This cashmere cable knit is from the Autumn/Winter collection. And yes, it is supposed to be worn as a dress.