Rihanna has overtaken Lady Gaga as the most popular female star on Facebook, according to Famecount.com.
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Rihanna overtakes Lady Gaga on Facebook
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Lady Gaga tops Billboard 200 albums chart
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Christina Aguilera joins Twitter
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Lady Gaga goes topless
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Madonna joins Twitter!
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Cameron Diaz, Madonna & Scarlett Johansson topped by Marilyn Monroe:
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Rihanna makes chart history
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Jennifer Lopez named most beautiful woman in the world
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Oprah wants to know who rihanna is!
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Music from Glee dominates charts
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Fox News Facebook page is most commented on brand page in the world
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Rihanna to be the new face of Chanel?
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Queen joins Facebook generation
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Rihanna to work with Stella McCartney ?
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Goldfrapp: 'GaGa is the new Madonna'
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Rihanna goes topless for new music video
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Janet Jackson loves lady GaGa!