Chic this Week: Best in Show for April 21-27, 2012

Who is your choice for best dressed this week?

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Cameron Diaz
In Rachel Roy
(shoes by Lanvin, necklace by Cartier)
At CinemaCon 2012's Pioneer Of The Year Award  in Las Vegas, Nevada

Victoria Beckham

In Victoria Beckham
(cardigan by Miu Miu, peep-toe pumps by Christian Louboutin)

At a Lane Crawford promo event in Hong Kong, China

Catherine, Duchess of Cambridge
In Matthew Williamson
(earrings by Kiki Mcdonough, pumps by Emmy)
At the 'African Cats' premiere in London, England

Claire Danes
In Narciso Rodriguez
At the Tribeca Film Festival 'Hysteria' premiere in NYC, New York

Kristen Wiig
In Theyskens Theory
(pumps by Nicholas Kirkwood)
At the Tribeca Film Festival 'Revenge for Jolly' premiere in NYC, New York

Michelle Pfeiffer
At the CinemaCon 2012 Awards Ceremony in Las Vegas, Nevada

Princess Letizia of Spain
At the 2012 "Miguel de Cervantes" Awards in Alcala de Henares, Spain

Amy Poehler
At the Time100 Gala in NYC, New York

Camilla Belle
In Whistles
(clutch by Cartier, pumps by Casadei)
At the Women's Filmmaker Brunch in NYC, New York

Princess Charlene of Monaco
At the Monte Carlo Tennis Masters in  Roquebrune-Cap-Martin, France