Niki Schwan, Vibe Magazine's Fashion Director and the celebrity stylist who brought the world some of Nicki Minaj's hottest outfits in 2010, picks out this year's 19 best and worst looks from the 2011 Grammys.
Rihanna has had a drastic journey from unknown island girl to international household name, and her image and fashion sense have gone through a change that has been every bit as radical.
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