karen millen emerald green dress KarenMillen Tailored Satin Back Crepe Drape One Shoulder Maxi luxurious drape This striking Karen Millen maxi dress embodies refined sophistication with its clean lines and impeccable tailoring Susanna Reid looks 'absolutely stunning'

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Below, ELLE got a first look at new interviews with the designers behind Dianas most memorable gownsand an exclusive glimpse of never-before-seen sketches of those looks

Emulsify with Ice Cubes (Or Ice Water): With the machine running, slowly add the ice cubes or a steady stream of ice water

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If youre using a small bandanna like those from the Dollar Tree then youll want to make a slightly wider waist band, so that no ones underwear is showing when they wear it, although the shorter ones Ive made look rather cute over the top of a pair of jeans