Izabel Goulart's Letterman Look

How did Izabel Goulart not get the Sports Illustrated cover?! Just look at her!

Out with the other SI models for Late Show With David Letterman, Izabel was gorgeous in a chic black dress along with Christian Louboutin's uber sexy metallic and black patent "Duvette" heels (which are £425 at net-a-porter.com).

Usually she's a hair down kinda gal but her hair slicked back in a pony (a la Gwyneth at the Grammys) was gorgeous and perfect here.

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