Picks and Pans Review: All-Star Charity Single "Just Stand Up!"

updated 09/22/2008 AT 01:00 AM EDT

originally published 09/22/2008 AT 01:00 AM EDT

• This iTunes exclusive benefiting the Stand Up to Cancer campaign is an uplifting divafest with everyone from Mariah and Rihanna (right) to cancer survivors Sheryl Crow and Melissa Etheridge.

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