• WHAT A SPECTACLE photo | Carrie Underwood, Celine Dion, Jennifer Hudson, Smokey Robinson

Credit: Cliff Lipson/CBS

Published: Monday February 01, 2010 06:00 AM EST



Celine Dion, Smokey Robinson, Jennifer Hudson, Usher and Carrie Underwood take a break from rehearsing their 3-D tribute to Michael Jackson, who will be honored during Sunday's Grammy Awards, at the Staples Center in Los Angeles on Saturday.

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