B.o.B, Bruno Mars, Janelle Monáe, Miranda Lambert, Muse and Lady Antebellum will also join the previously announced Lady Gaga, Katy Perry and Eminem on the stage of the Staples Center in Los Angeles.
Usher, a five-time Grammy Award winner, is nominated this year for Best Male R&B Vocal Performance ("There Goes My Baby") and Best Contemporary R&B Album ("Raymond V Raymond"). Teen pop sensation Bieber is up for Best New Artist and Best Pop Vocal Album ("My World 2.0").
The 53rd Annual Grammy Awards will be broadcast live beginning at 8 PM ET on Feb. 13 on CBS.
For more information, visit grammy.com.