In addition to MBLAQ's Thunder and EXO's Lay, Nicole and 100%'s Changbum also celebrate their birthday on October 7!

SEE ALSO: Happy birthday to MBLAQ's Thunder and EXO's Lay!

Nicole turns 24 (international age: 23) and Changbum turns 22 (international age: 21) today. At the age of 24, Nicole has already accomplished a lot with her former group KARA and has been preparing for her solo debut

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�as well. He posted: "Thank U very much <3." 100% also made sure to congratulate him with a video message!

Happy birthday to Nicole and Changbum!