Two style icons, one beautiful Chanel dress - but who gets YOUR vote in the fashion face-off?
Blake Lively and Alexa Chung had a matching moment when they both stepped out in the very same Chanel dress - but who do YOU think wins in the fashion face-off?
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Blake Lively was first to debut the design, at a New York Cinema Society screening back in July.
The Gossip Girl stood out from the crowds in the sheer-midriff minidress, which she teamed with leg-lengthening nude Louboutins, a playful ponytail and statement star earrings.
Fast forward three months, and Alexa Chung gave the Resort dress it's second high-profile outing, wearing it to sit front row among the sea of stylistas at the Chanel Spring/Summer 2011 show in Paris.
The pretty presenter teamed her frock with patent black loafers, a swept-back do and black envelope bag.
So, two stylish stars, one designer dress - but who gets YOUR vote? Let us know in the comments box below!