Emily Ratajkowski has ditched her signature long brunette locks in favor of a blonde bombshell look.The 29-year-old, who is an ambassador for haircare brand Kérastase, debuted her newly bleached hairdo on Instagram on Tuesday to her 26.6 million followers.Sharing a video showing off her new color, Emily simply captioned it 'BLONDE.' New style: Emily Ratajkowskidebuted her newly bleached hairdo on Instagram, Tuesday, to her 26.6 million followers, revealing that she has dyed her once-brunette locks blonde Stunning: The 29-year-old model revealed that she has never before colored her hair Something different: 'I’ve never colored my hair or changed the length significantly in my entire life!' Emily, who is an ambassador for haircare.