Halima Aden on being a UNICEF ambassador, returning to refugee camp Somali-American model Halima Aden is breaking barriers in the fashion world. Aden made history in 2016 when she wore a burkini and hijab during the Miss Minnesota USA pageant. The next year, she became the first hijab-wearing model to sign with IMG models. Aden is now the cover star of Teen Vogue's new July issue. She joins "CBS This Morning" to discuss being UNICEF's newest ambassador.