Sun Sheng Xi (Chinese: 孫盛希; born 13 November 1990), also known as Shi Shi (Chinese: 希希), is a Taiwanese-South Korean singer, songwriter and record producer.

[1] In 2019, Sun won the Golden Melody Award for Best Mandarin Album for her fourth studio album, Shi's Journey.

[2][3][4] Sun was born in Korea but later moved to Taiwan in order to pursue her music career.

Sun participated in season 2 of Chinese Million Star, and finished in 6th place.

In 2015, she was nominated for Best New Artist at the 26th Golden Melody Awards.