Koh Chieng Mun is a Singaporean actress and comedian. She is best known for her role as Dolly Tan on the Singaporean sitcom Under One Roof. In 2018 she was cast in the American romantic comedy-drama film Crazy Rich Asians.
Biography：Koh Chieng Mun is a Singaporean actress and comedian. She is best known for her role as Dolly Tan on the Singaporean sitcom Under One Roof. In 2018 she was cast in the American romantic comedy-drama film Crazy Rich Asians.
