Some of the top stars were showing a whole lotta leg this week -- but who did it best?

Katy Perry kicked off Gam Watch 2010 in a Jessica Rabbit inspired get-up to the VH1 Divas concert, which aired Sunday night -- and was quickly followed by Angelina Jolie in a creame Atelier Versace, Carrie Underwood in a gorgeous Georges Chakra and Victoria Beckham in a revealing black number from her own line.

Check out the gallery for a better glimpse at their leggy looks, then let us know ...

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