Rosie Huntington-Whiteley & Sienna Miller: Chanel & Charles Finch Pre-Oscars Dinner

Rosie Huntington-Whiteley is sexy sophisticated as she arrives at the Chanel & Charles Finch Pre-Oscar Dinner held at Madeo Restaurant on Saturday evening (March 1) in Los Angeles.

The 26-year-old actress/model was joined by Sienna Miller and her fiance Tom Sturridge.

PHOTOS: Check out the latest pics of Rosie Huntington-Whiteley

The day before, Rosie kept a low profile as she arrived on a flight at LAX Airport.

FYI: Sienna is wearing all Chanel. Rosie is wearing a Chanel dress with Christian Louboutin shoes.

10+ pictures inside of Rosie Huntington-Whiteley and Sienna Miller at the event…