Chrissy Teigen Vs. Rosie Huntington-Whiteley: Who Wore Balmain Better???

Uh oh! It’s a supermodel showdown!
Left: Rosie Huntington-Whiteley rocked Balmain‘s plunging jumpsuit to CR Fashion Book‘s Issue No. 5 launch party back in October!
Right: Chrissy Teigen pulled the same exact number out of her closet for the 2015 Billboard Music Awards!
While both ladies rocked major cleavage in Balmain’s sexy one-piece, what we want to know is…
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[Image via Abaca USA/Getty Images.]