January Jones rocks a '70s look while going braless in sultry red

January Jones brought glam to the evening, and fans were all for it (except her sister.)

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January Jones gets into the festive spirit as she slips into a VERY low-cut red lace dress

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January Jones is breathtaking January jones, People, Celebrities female

January Jones rocks a '70s look while going braless in sultry red jumpsuit

January Jones strips down for sultry photo shoot

January Jones' sheer poolside outfit turns heads