Recently, BTS surprised fans with a short clip of Jungkook singing David Guetta's ''2U'' featuring Justin Bieber. On September 1 KST, the full cover is released in which the idol star continues to melt hearts with his angelic vocals. Today also happens to be Jungkook's birthday. It's assumed BTS is treating fans with the ear candy in celebration. 

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Check out his beautiful cover below!