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January Jones, Beyonce

Frazer Harrison/Getty Images; Splash News

Have two more opposite celebs ever appeared in the exact same dress? Though, the more we think about it, the more we realize January Jones' on-screen ice queen, Betty Draper, could give Beyoncé's "Sasha Fierce" a run for her money.

We first nabbed the "XO" singer for wearing this Topshop look that felt more Taylor Swift than Mrs. Shawn Carter. Now that another preppy beauty has shown up in the style, we're convinced in a 180 flip for the sequin-loving Tom Ford devotee. And yet, does Bey actually wear it best?

We'd assume this straight shape would look best on a flatter figure, but the "Drunk in Love" singer's curves take the capped-sleeved design from a Hampton's dinner party dress to a chic, yachting frock. That shift might be thanks to her wild locks and sky-high shoes, or it might all be attitude. Either way, the Mad Men star looks typically lovely, but baby Blue Ivy's mamma looks hot.

We say Bey beats January and Taylor on their own couture court. Agree or disagree?

Tune-in to a brand-new Fashion Police tonight at 9/8c on E!