Cheng Xiao (Korean: Seong So, born July 15, 1998) is a Chinese female singer and actress from Shenzhen, Guangdong. She is an artist under Yuehua Entertainment. On February 25, 2016, she debuted as a member of the girl group Cosmic Girls under Yuehua Entertainment and South Korea's STARSHIP Entertainment with the release of their first mini album 'WOULD YOU LIKE?'. She served as the main dancer in the group. She currently performs as a solo artist.
