Rihanna, Good Girl Gone Bad
For her third album, Rihanna worked with Justin Timberlake, Timbaland, and Ne-Yo to achieve a sophisticated blend of hip-hop, R&B, and '80s-inspired pop that reflects a worldly new attitude. But here's the question we want answered: Are those Rihanna's ballerina-slipper-clad feet dancing in the video for her single ''Umbrella''? ''Absolutely,'' she says. ''I have the blisters to prove it!'' Release date: 6/5

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