HONG KONG, Jan 2 — At 57, the wife of Hong Kong singer-actor Leo Ku has welcomed a baby boy, with the star revealing on New Year’s Day that he is now a father of two — a surprise announcement that quickly delighted fans.

Ku, 53, shared the personal news on social media, saying he and his wife, Lorraine Chan, are now parents to two sons, with their eldest, six-year-old Kuson, officially becoming a big brother.