Michael Becker/FOX

BEST OF 2009: NEW STYLE ICONSWHAT SHE WORE Acting as her own stylist, Deeley lit up the stage while hosting her blockbuster competition show in a mix of vintage and new pieces, like this Jasmine di Milo dress.

WHERE At a taping of FOX's So You Think You Can Dance on November 3rd
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Cat Deeley

Cat Deeley in Jasmine de Milo