Nominations for the 57th Grammy Awards , which will air Feb. 8 on CBS, are gradually being revealed by the Recording Academy and celebrities all day Friday on TV and on Twitter . Ed Sheeran and Pharrell Williams announced the first four categories on CBS This Morning , with Sheeran earning a nod for Best Pop Vocal Album and Williams securing a nomination for Best Urban Contemporary Album. For the first time, two dozen more of the 83 total categories will slowly be unveiled from 9 a.m. to 2 p.m. ET on various celebrity Twitter accounts. The final category — Album of the Year — will be revealed at 9 p.m. ET during A Very Grammy Christmas, featuring performances from Ariana Grande, Maroon 5, Tim McGraw and Pharrell.
