- Name: 王宇婕 / Wong Yu Chi (Wang Yu Jie)
- English name: Margaret Wang
- Also known as: Chia Chia
- Profession: Model, actress, and singer
- Birthdate: 1981-Jun-10 (age 38)
- Birthplace: Jakarta, Indonesia
- Height: 160cm
- Weight: 45kg
- Star sign: Gemini
- Chinese zodiac: Rooster
- Blood type: O
- Family: Father/film actor Shaw Yao and mother/actress Xiao Yao (蕭瑤)
- Languages: Cantonese, Mandarin, English, and Indonesian
- She is a former member of the Taiwanese girl group 7 Flowers.
- Her father was a former movie actor from Hong Kong and her mother was from Taiwan.