The 36-year-old actress rocked a Dolce&Gabbana top and skirt, Sergio Rossi shoes, and a Bulgari clutch and jewels.
PHOTOS: Check out the latest pics of Isla Fisher
Rise of the Guardians hits theaters in the US on Wednesday (November 21)!
FYI: Sacha is wearing a K-Way Jacket and Isla is wearing Lacoste Footwear while out in London.
10+ pictures inside of Chris Pine and Isla Fisher at the Rise of the Guardians UK premiere… More Here! »