EXO's Chen turns 23 (international age: 22) on September 21 and EXO-L from around the world celebrated as soon as the clock struck midnight in Korea.

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EXO-L celebrated his birthday by trending #HappyChenDay and #KimJongDay, which stands for his birth name Kim Jong Dae, on Twitter. EXO-M's main vocalist and 'beagle line' member definitely has a lot to celebrate this year and we wish even more success for him and EXO!

 

EXO are currently in Beijing for their concert, 'EXO FROM. EXOPLANET #1 � THE LOST PLANET', on September 20-21 at MasterCard Center.

Happy birthday, Chen!