Rihanna Vs. Keira Knightley: Who Wore It Better???

Left: Rihanna in a sporty look, complete with fanny pack and matching sneaks, at Chanel‘s Paris Fashion Week.
Right: Keira Knightley rockin’ it in black at white, also at Chanel’s show in Paris this week.
Both ultra-chic ladies donned their own versions of this illusion dress to the same event, but we wanna know…
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[Image via AKM-GSI/AP Images.]