Yeah it's Youngjae Birthday..happy birthday to you ^^ yeah and Daehyun post a pic on his twitter 

[TWITTER UPDATE]

Daehyun : 오늘 서가대에 와준 baby분들 정말 감사합니다! 그리고 여러분들 덕분에 본상도 받게되었습니다!!우왕 ~ 티저도 공개되고 영재생일까지 겹경사가 일어났네요 ㅎㅎ 베이비 여러분 이제 진짜 시작이네요...!ㅎㅎㅎㅎ 아자아자!! baby B.A.P 퐈이팅!!

[TRANS] : Really thank you to the BABYs who have come to the Seoul Music Awards! Also thanks to everyone we were able to receive the bonsang!! Wu-wang ~ the teaser has been released and even till Youngjae's birthday many great things have happened all at once hehe BABYs now it's really the start...!ㅎㅎㅎㅎ aja aja!! baby B.A.P fighting!!

( cr : tsu_baptweets)

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And also their manager (Kang Manager)..he also posted a pic on his Instagram.

m_ks9 (강석구): 생일축하해요 영재야♥스릉한다♥♥ #영재 #생일 

[TRANS] : Happy birthday Youngjae-yah♥ I love you♥♥#Youngjae #Bday 

( cr : tsbabyz)

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Oh! I also found this pic on twitter.. OuO I sthat Youngjae?? huhu

Hahaha..Happy Birthday youngjae!