In September 2008, Dziahileva was featured in Women's Wear Daily (WWD) as an up-and-coming model to become a supermodel.

Since her first major season (spring 2006), Dziahileva has walked the runway in ready-to-wear fashion shows and graced on the haute-couture catwalks for numerous world's top designers, including Chanel, Oscar de la Renta, Dior, Hermès, Alexander McQueen, Jean Paul Gaultier, Missoni, Versace, Prada, Donna Karan, and Calvin Klein.

[9][5] Dziahileva has appeared on the covers of Russian, Japanese, and Latin American Vogue, Russian and Spanish Harper's Bazaar, Korean and Swedish Elle, Japanese and Korean Numéro, Ukrainian L'Officiel, French Revue de Modes, Flair, Deutsch, and Tank.

[5] Later, Dziahileva landed a major solo campaign when she became the face of Yves Saint Laurent, photographed by Jürgen Teller.

She has also landed many campaigns for brands such as Lacoste, Michael Kors, Christian Dior, DSquared², Hussein Chalayan, Celine, Nina Ricci, Escada Sport, Mango, Ralph Lauren, and Calvin Klein.