Sponsored Links Kai Langer dating Whom? Kai Langer is currently single Kai Langer Complete Dating History Add new Post Sponsored Links Kai Langer wiki Login to Edit Bio: Child singing sensation who went viral at the age of four when his mother posted a video of him singing Bruno Mars' "Grenade" while wearing a fedora. He grew up in Woodland, Texas.Date of Birth: 13 Nov, 2008Zodiac Sign: ScorpioPlace of Birth: TexasAge: 15 years oldProfession: YouTube Star Show more bio data > Kai Langer Latest Videos