Top model Jang Yoon Joo showed off her beautiful curves as an expectant mother in 'Allure'.

The recent photo shoot was especially more meaningful for the model not only because it's her first pregnant photo shoot but also because this year marks her 20th debut anniversary. The model expressed her overwhelming feelings on Instagram, saying, "I'm thankful and touched that a pregnant photo shoot can be part of the record on my 20th anniversary."

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Back in May of 2015, Jang Yoon Joo got married to a designer 4 years her junior. She's expected to give birth next month.