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 Taiwanese-Korean singer-songwriter. She wanted to become a singer so she moved to Taiwan to write and sing. She participated in the singing competition Chinese Million Stars (finished in 6th place) and signed with Rock Records Taipei.