Kang Seung Yoon kicked off his 27th (Korean age) birthday celebrations with his group members!

On January 21 at 12:15 a.m. KST, Kang Seung Yoon uploaded a tweet with adorable pictures of WINNER and his hilarious birthday cake. The Rolex watch cake is set to 1:21 to represent his birthday and reads at the bottom, “You know how we feel, right?”

He also uploaded the photo of the cake onto his Instagram, where iKON‘s Yunhyeong and Donghyuk (DK) both commented loving happy birthday messages.

WINNER’s Lee Seung Hoon and Kim Jin Woo also took to their personal Instagram accounts to upload photos of the celebration and wish Kang Seung Yoon a happy birthday.

Happy birthday to Kang Seung Yoon!