 Most recently, she released a children's picture book called "It's About a Little Bird" (2013), while for the first time in Russia, she exhibited in Moscow's Multimedia Art Museum in 2014.Lange is a Goodwill Ambassador for the United Nations Children's Fund (UNICEF), specializing in the HIV/AIDS epidemic in the Democratic Republic of the Congo and in spreading awareness of the disease in Russia.She was also a public critic of former U.S. President George W. Bush, once calling his administration "a self-serving regime of deceit, hypocrisy and belligerence", and has been a human rights supporter of the Buddhist monks in Nepal.