Sun Sheng Xi (simplified Chinese: 孙盛希; traditional Chinese: 孫盛希; pinyin: Sūn Shèng Xī; born November 13, 1990 in Gangneung, Gangwon-do, South Korea), also known as Shi Shi (Chinese: 希希; pinyin: xī xī), is a singer-songwriter and record producer. Shi Shi moved to Taiwan to pursue her music career. She participated in the singing competition Chinese Million Stars, finished in 6th place and signed with Rock Records Taiwan. Shi Shi released her debut album Girls in 2014.