This combination photo shows, from left, actress Paz Vega, actor-singer Ricky Martin and actress Roselyn Sanchez, who will host the 20th Latin Grammy Awards on Thursday in Las Vegas, Nev. (AP Photo)The Latin Grammys will celebrate its 20th anniversary with a 20-artist performance in a tribute to the legacy of Latin music. The omissions were especially surprising since the Latin Grammys have 10 nominees for its top four categories. Words on the image read in Spanish: "Without reggaeton, there's no Latin Grammys." His new album with Bad Bunny, "Oasis," was not eligible for this years Latin Grammys but will qualify in 2020. Most of the awards 39 out of 50 will be handed at the Latin Grammys Premiere, a ceremony that is not televised but can be followed through the Latin Grammy Facebook page beginning at 4:30 p.m. EDT.