Forget The Weeknd, SZA, Perfume Genius, Jamiroquai, and St. Vincent. The true headliner of Friday at Coachella wasn't even on the lineup. Eleven-year-old Mason Ramsey — also known as the Walmart yodeling kid — took the desert by storm early in the day, thrilling the masses with another rousing rendition of Hank Williams' "Lovesick Blues." Even Justin Bieber was there to bare witness. Check out some clips from Mason's Indio debut below.