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Top Ten Female Music Stars Of 2011
7. Beyonce Knowles
4. Beyonce's year started with a bang following the release of her fourth solo album, entitled '4'. The singer went on to headline the Glastonbury Festival in Somerset in June, following in the footsteps of her husband Jay-Z, and play a record four nights at Roseland Ballroom in New York. The good news continued in August when Bey announced that she and Jay-Z were expecting their first child at the MTV VMAs.