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They star in the new movie, King Arthur: Legend Of The Sword, and Poppy Delevingne and Annabelle Wallis both looked stunning as they walked the black carpet for the film's LA premiere on Monday.
Dressed in a slinky black gown, Poppy channeled old Hollywood glamour as she posed for photographers.
Gown - Spaghetti - Straps - V - Neckline
The floor-length gown featured spaghetti straps and a low-cut V neckline, which showed off the 31-year-old's cleavage.
Her hair was swept to one side and styled in loose waves, reminiscent of Hollywood starlets gone by.
Sister - Cara - Delevingne - Look - Box
The big sister of Cara Delevingne, 24, accessorized her classic look with a metallic box clutch and diamond necklace.
Meanwhile, Annabelle opted for a slightly eclectic look.
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