January Jones shows off cleavage in a red swimsuit as she enjoys the Southern California heat

January Jones put on a sizzling display as she made an Instagram appearance on Saturday afternoon.

The 43-year-old actress showed off her ample cleavage in a red one-piece bathing suit with a plunging neckline while soaking up the Southern California sun.

‘Still gonna rep [Mrs. Clause emoji] in this heat,’ captioned Jones. 

Hot stuff: January Jones made an Instagram appearance on Saturday afternoon in a red swimsuit with a plunging neckline

The Mad Men star’s bright blonde hair was cut into a bob with bangs and styled straight. 

The mom-of-one kept her eyes hidden behind a pair of large, black shades.

She smiled a big smile in the photo as she placed a hand on top of her head. 

In the background there was a pool, lounge chairs, grass, and small trees.  

Silly: On Friday the entertainer was also on the app in a playful mood as she shared three photos in an orange hooded fleece

On Friday the entertainer was also on the app in a playful mood as she shared three photos in an orange hooded fleece.

Jones wore jeans with the outerwear and she was inside as the snapshots were taken. 

‘Pretending I’m not in SoCal in 90 degree heat,’ the beauty wrote in her caption to her 1.1 million fans who follow her account.

Glamour girl: In another post, with her hair styled in a loose wave, she sported bright pink eyeshadow that extended from her eyelids to her eyes’ lower lash lines

And before that January posted a bold makeup look for her fans to enjoy. 

With her hair styled in a loose wave, she sported bright pink eyeshadow that extended from her eyelids to her eyes’ lower lash lines. 

It was topped off with perfectly winged black eyeliner.

The TV star wore a button-up black and white striped shirt as she showed off several angles for her internet admirers. 

Trendsetter: January has consistently been serving up bright and bold looks, as was evidenced in another recent post from the beginning of the month

January has consistently been serving up bright and bold looks, as was evidenced in another recent post from the beginning of the month.

The Last Man on Earth actress wowed her fans in a green makeup look that she matched to an off-the-shoulder co-ord set.

In a glitzy duo of images she posed with a longer version of her blonde bob blown out. She elevated the look with large, statement-making gold earrings. 

Gorgeous: The Last Man on Earth actress wowed her fans in a green makeup look that she matched to an off-the-shoulder co-ord set