Kim Ah-joong is a South Korean actress, model and singer. She is best known for playing the main character in the romantic comedy 200 Pounds Beauty.

200 Pounds Beauty is a 2006 South Korean musical romantic comedy film written and directed by Kim Yong-hwa. It is based on the Japanese manga Kanna's Big Success! by Yumiko Suzuki about an overweight ghost singer who undergoes intensive plastic surgery to become a pop sensation.