[3] Winberg began her modelling career at age sixteen, and a year later was booking local gigs and appearing in promotional spots for regional companies.

She soon caught the eye of several well-known agencies – including Women Model Management, Why Not Milan and Dominique Brussels – and found herself in campaigns for designers such as Valentino, Versace, Oscar de la Renta, Escada, and Armani.

She has also been in campaigns for D&G, Tommy Hilfiger, Adidas by Stella McCartney, Rolex, Chloé, Armani, Ralph Lauren and Neiman Marcus, and has graced the covers of several international editions of Vogue.

She also appeared in Naomi Campbell's Fashion For Relief runway show for The White Ribbon Alliance to raise funds for mothers in Haiti in 2010.

She made her acting début in the 2011 film Limitless, appearing alongside Bradley Cooper and Robert De Niro.