Celebrity couple Hyun Bin and Son Ye-jin‘s 3-year-old son delighted netizens after he was captured in a rare, adorable video singing a birthday song to his mother.  Son gave a glimpse of her home celebration through her Instagram page on Thursday, Jan. 15. The post included a clip of the Korean actress in a red cardigan, birthday hat and comical glasses.  The video features the couple’s son, nicknamed Alkong, adorably singing a birthday song to his mom as he urges her to blow out the candles. Son happily bickers that she needs to make a wish first before blowing out […]... Keep on reading: Hyun Bin, Son Ye-jin’s son melts hearts after singing birthday song to mom