Bieber, Usher to sing together at Grammys

SANTA MONICA, Calif., Jan. 20 (UPI) -- Recording stars Justin Bieber and Usher are to perform with newcomer Jaden Smith at the upcoming Grammy Awards show in Los Angeles, organizers said.

The son of film stars Will and Jada Pinkett-Smith, Jaden Smith starred in the 2010 family movie "The Karate Kid."

Grammy nominees B.o.B, Bruno Mars and Janelle Monae, as well as Lady Antebellum and Muse also have been booked to perform at the Feb. 13 awards presentation at Staples Center, The Recording Academy said Thursday.

They join previously announced performers and nominees Arcade Fire, Eminem, Cee Lo Green, Lady Gaga, Miranda Lambert and Katy Perry.