Beauty Watch: Janelle Monae Becomes a CoverGirl, Mariah Carey Collaborates with OPI, Lady Gaga Debuts Fame Promo

Get ready, little monsters. The Lady Gaga Fame fragrance promo video is here (via Elle)
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Janelle Monae is the newest CoverGirl (via Vogue)
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Survey says: men prefer women with makeup on (via Marie Claire)
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Mariah Carey inks a deal with OPI for a collaboration collection (via FashionEtc)
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House of Holland gets into the beauty biz (via Elle UK)