Grammy 2015 Performers: Pharrell, Sam Smith, Usher & More Join Lineup

Sam Smith
Austin Hargrave

On Wednesday morning, the Grammys announced even more performers for the already star-stacked Feb. 8 awards show.

Pharrell, Sam Smith, Usher and Miranda Lambert are joining the 2015 Grammy performers lineup. Common and John Legend will also drop by to perform "Glory," their Oscar-nominated, Golden Globe-winning song from Selma.

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Previously announced performers are Madonna, AC/DC, Ariana Grande, Eric Church and Ed Sheeran.