Hyoyeon's birthday was on September 22, meaning she already celebrated it in Korea, but international fans can continue celebrating today! �That's right, party on, fans!

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Recently, fellow Girls' Generation members Jessica and Sooyoung posted pictures to wish Hyoyeon a happy 25th birthday. �Jessica wrote on Weibo, "Cheers! Happy birthday dear H!" with a 4-set picture collage while Sooyoung likewise relayed her sweet birthday message through Instagram with a picture of herself with Sooyoung and Tiffany.

Happy birthday, Hyoyeon!