In 2010, Tan served as a volunteer spokesperson for the Shanghai World Expo, where she recorded the Expo's theme song, "The World", performed during the opening ceremony, and held a large-scale public concert for the Expo volunteers. She held another concert as spokesperson for the 2010 Asian Games in Guangzhou, China. In 2011 she was appointed spokesperson for the World Horticulture Exposition in Xi'an, China. In 2012, she will serve as the spokesperson for UEFA, promoting the UEFA Champions League in China.