Momo Hirai

Momo Hirai, the only eliminated contestant on the survival show Sixteen to be brought back and debut with Twice, is a Japanese singer and dancer based in South Korea. She was born on Saturday 9th of November 1996 in Kyōtanabe, Kyoto, Japan, making her 29 years old. Momo debuted in 2015 as a member of the South Korean girl group Twice under JYP Entertainment, starting her career around 18 years old. She is Japanese, and her nationality is a key part of her identity as one of the most popular non-Korean K-pop stars.

Known for her slim build and petite frame, standing 5'4" and weighing 120 lbs, Momo has black hair and brown eyes. Her measurements are 34–24–35, and she wears a 34B bra cup size. She has real, natural breasts. Momo is a dancer at heart; she has the most confidence dancing to urban and also likes hip hop. Her physical fitness and body movements have earned her the nickname "dance machine," and being a big food lover, she is also called an "eating machine."

In Gallup Korea's 2018 annual music poll, Momo was voted the 20th most popular idol in South Korea. She was signed on as a JYP Entertainment trainee with fellow Japanese member Sana, who also joined Twice. As of June 2026, her Instagram following has grown to 15.7 million. She is straight and of Asian ethnicity. Momo continues to perform and record with her group members. She is 29 years old.