Mary J. Blige, Herbie Hancock, Questlove Added to Grammy Awards Performers [Video]

Mary J. Blige is going to do a duet with Sam Smith for the 57th annual Grammy Awards on Sunday night.

She was announced Wednesday as an additional performer along with Beck, Brandy Clark, Juanes, Sia and pianist Lang Lang.

In addition, Herbie Hancock, John Mayer and Questlove have a special performance with Ed Sheeran slated. Also, Jeff Lynne's reunited Electric Light Orchestra is also performing with Sheeran.

A nine-time Grammy winner who's "F For You" with Disclosure is up for best dance recording, Blige is teaming with a fellow Grammy nominee in Smith.

Beck is a Grammy winner who will perform a song from his Grammy-nominated album alongside Chris Martin, who has three nominations this year with Coldplay.

Previously announced performers include AC/DC; Lady Gaga; Eric Church; Common with John Legend; Ariana Grande; Hozier with Annie Lennox; Jessie J with Tom Jones; Miranda Lambert; Adam Levine with Gwen Stefani; Madonna; Rihanna with winners Paul McCartney and Kanye West; Usher Raymond IV; and Pharrell Williams. LL Cool J is hosting the event.

Taking place at Staples Center in Los Angeles, the show airs from 8 p.m. to 11:30 p.m. EST on CBS.