Metallica’s Lars Ulrich made a surprise appearance at the 20th annual Latin Grammys in Las Vegas, NV last night (November 14). The drummer was on hand to present Juanes with the Latin Recording Academy “Person Of The Year” award. ¡Que emoción! 🎶👏👏👏 @Juanes Persona del Año 2019 #LatinGRAMMY pic.twitter.com/ErzEAWp9wX — The Latin Recording Academy /…