Those looking for Sienna Miller today should camp outside the Conde Nast building and the Hearst Tower -

Ms. Miller and her sister Savannah are showing their new collection, Twenty8Twelve, to select fashion editors, including Anna Wintour.

We hear the sisters were so nervous about looking perfect in front of the Vogue team that they ordered Bumble & Bumble room service for coiffing before their appointments.

We wish the team behind the line great luck, because we do like the clothes, but let’s be realistic:

If Kate Moss’ TopShop collection can get an entire Vogue spread and Jovovich Hawk can launch their entire line in a magazine profile with the top glossy, then Sienna and Co. should fare just fine…