Actor Lee Si-young spent happy time with her two children on her birthday. In particular, her five-month-old second child drew attention after rapidly growing.

Lee Si-young posted several photos and videos with the caption: "역시 제일 행복한건 우리 가족♥(feat.핵주먹) My love IAAN & Luna #이안에루나".

The released photos and videos show Lee Si-young recently celebrating her birthday with her eldest son and youngest daughter. Lee Si-young held her son and daughter snugly on both sides, showing overflowing affection, and the son showed his dutiful side by giving his mother a handwritten letter and a birthday cake. Above all, the older brother tenderly cared for his youngest sister, showing warm sibling affection, and mother Lee Si-young even mentioned the five-month-old daughter's rapid growth, saying "a sister bigger than her brother."

Earlier, Lee Si-young married a restaurant industry worker in 2017 and gave birth to a son the following year, but divorced in 2025 after eight years of marriage. She later became pregnant with her second child after implanting an embryo that had been cryopreserved, and gave birth to a daughter last November. She is currently raising her two children as a single mother.

[photo] Lee Si-young

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