Girls’ Generation‘s Taeyeon, f(x)‘s Amber, and SHINee’s Key honored the late Jonghyun‘s 30th birthday on their social media.

Key posted a picture of him eating at a donkatsu restaurant with Jonghyun with a short and sweet caption.

Happy birthday.

I miss you so much.

I’m always apologetic, I always love you.

— Key

Taeyeon posted a screen capture from the movie Ponyo, and while she didn’t leave a written comment, she posted the picture with a cake emoji and tagged herself as Ponyo, and Jonghyun as Sosuke.

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Amber left a message on her Instagram story along with a picture of her listening to Jonghyun’s song “U&I”.

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Our Jjong oppa, happy birthday.

— Amber

SHINee’s official Twitter account also uploaded a picture of Jonghyun to commemorate his birthday.

Jonghyun passed away on December 18, 2017.