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Dongwoon, who was born on June 6, 1991, is now 25 years old (26 years old in Korea). The B2ST hyungs all wished the maknae a happy birthday on their respective Instagrams, each member uploading a special image and a message. Junhyung even shared a cute childhood photo of Dongwoon! 

You can take a look at the Instagram posts below. Oh, and don't forget to say happy birthday to Dongwoon! 

A photo posted by @realbeastdw on Jun 4, 2016 at 5:33pm PDT

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A photo posted by Dujun Yoon (@beeeestdjdjdj) on Jun 5, 2016 at 8:10am PDT

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A photo posted by ? (@yysbeast) on Jun 5, 2016 at 8:13am PDT

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A photo posted by GEEK (@gttk0000) on Jun 5, 2016 at 8:02am PDT

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A photo posted by Yong Jun Hyung (@bigbadboii) on Jun 5, 2016 at 8:00am PDT