Red Velvet's Irene isn't the only one celebrating her birthday on March 29 KST as former f(x) member Sulli also posted photos on her Instagram page for her birthday.

The lady in red wrote, "Thank you, I will live a happy life," and posted several photos of herself holding a delicious strawberry cake with one hand and a bottle of Dom P�rignon in the other, making playful poses.

Happy Birthday, Sulli!

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A post shared by ????? (@jelly_jilli) on Mar 28, 2017 at 2:27am PDT

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A post shared by ????? (@jelly_jilli) on Mar 28, 2017 at 2:28am PDT

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