Surprising the audience with a captivating finale performance, Stevie Wonder received multiple standing ovations while singing some of his all-time classics at the taping last week of "Stevie Wonder: Songs in the Key of Life -- An All-Star Grammy Salute."
Taped last Tuesday at the Nokia Theatre L.A. Live in Los Angeles, the tribute airs 9 p.m. to 11 p.m. EST tonight on CBS.
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