Girls' Generation's Jessica promoted her upcoming reality program with younger sisterf(x)'s Krystal on her Weibo, adding a special treat for her fans - a picture of herself holding an infant Krystal proudly in her arms!

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Jessica wrote, "Don't forget to watch our new On Style show 'Jessica & Krystal' tonight and support us every Tuesday at 23:05! You're the best."

Make sure you catch these lovely celebrity sisters on their very first reality program together!