January Jones turned up the heat on Sunday when she showcased her enviably slim figure on Instagram. The 42-year-old, who is famed for playing Betty Draper in the hit series Mad Men, happily flaunted her phenomenal physique in a coral coloured swimsuit.The sexy one-piece boasted a plunging neckline, halter-neck detail and was cinched in at the waist with a belt.
She teamed the look with large, retro sunglasses and a gold pendant necklace.MORE: James Middleton just got fangirled by Hollywood star January JonesWATCH: Jennifer Garner thrills fans with brutally honest bikini body videoIn the caption, the actress expressed her gratitude for the warm Californian climes, writing: "This Cali Xmas is so confusing to me.
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