twenty8twelveopening.jpgIt was fashion folks galore at last night's official opening of Sienna and Savannah Miller's Twenty8Twelve boutique in Westbourne Grove, London. The sisters were joined by the likes of Mario Testino, Henry Holland and Matthew Williamson to celebrate the launch of their first store.

On deciding what to wear to her party, Sienna told Vogue.co.uk: "I wanted to go for something quite sleek, quite designer-y. I usually end up looking like a Christmas tree if left to my own devices!" What she ended up wearing was an oversized shirt, leggings and a pair of De Havilland wedges.

But it was who she was with and not what she was wearing who had everyone talking. The actress is rumoured to be dating Notting Hill star Rhys Ifans after pictures of the pair spending every day this week together appeared in the tabloids.

[Image: Celebutopia]