Fashion Faceoff

Katharine McPhee and Cobie Smulders turn heads in the same sexy dress – plus, more star style standoffs!

KATHARINE VS. COBIE

The one requirement for wearing this Theyskens' Theory gown: superhot cleavage, which Katharine and Cobie have covered (or rather, uncovered). And apparently the one accessory they feel the dress calls for: ankle-strap heels.