January Jones shares underwear-clad selfie to show off body transformation


The Mad Men alum wanted to showcase her new look with a cheeky selfie


january jones smiling © Instagram
Hannah Hargrave
Hannah HargraveUS Deputy Editor
April 1, 2026
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January Jones delivered some retro, Betty Draper, vibes in her most recent selfie but would have made her Mad Men character blush with her next move. 

The 48-year-old actress looked years younger than her age in a cute, silk combo giving off retro vibes and showing off her long legs. 

However, in the next photo, January removed her top to pose in a bra so that she could show off her body transformation.

January posed in her bra to show off her 'tan'© Instagram
January posed in her bra to show off her 'tan'

The star revealed she'd added some color to her trademark porcelain skin tone and couldn't wait to display it. 

Striking a pose in a pair of gold-rimmed, wire glasses and with a pearl accessory in her hair, January wrote: "Realized I better have photographic evidence of me with a “tan” as it rarely happens."

January posing in retro looking outfit in bathroom© Instagram
Fans loved her retro look

But fans confessed they couldn't see the difference and suggested her lack of tan lines made the before and after results difficult to see. 

Bikini fit

January is no stranger to showing off her fabulous figure and has paraded her fit bikini physique on a number of occasions on social media. 

january jones wearing red and white striped bikini at la home© Instagram
January's toned figure is the result of Pilates

She attributes her figure to a lifetime of fitness and good health, thanks to her personal trainer father.

While January rebelled against her dad growing up and wouldn't work out, she remained active by playing tennis and swimming.

"My dad was a trainer, so in my 20s and 30s, I didn't work out, because he was always pushing my sisters, my mom, and me to exercise. We would rebel and not do it," she told Shape magazine in 2020.

"It's not that I wasn't active," she added. "As kids, my two sisters were runners, I played tennis, and we all swam. But on a regular basis I wouldn't work out, ever."

Gaining weight

January Jones at her home on social media© Instagram
January switches up her style

She fell in love with Lagree Pilates and took classes two to three times a week, which altered her body.  

At the time, she explained: "I've gained weight because I've put on muscle. I've gone up a size in clothes, but I feel like I look better naked.

January Jones stands side by side with her son Xander on his 13th birthday, shared on Instagram© Instagram
January with her son his 13th birthday

January is a mom to her son, Xander, who she is raising by herself.  She's never publicly disclosed who his father is but says she's happy to be a female role model for him.

"It’s good to have strong women around a man to teach him to respect women," January told Red magazine.

Recommended videoYou may also likeWATCH: January Jones flaunts her bikini body

"He doesn't have a male person in his life saying 'don’t cry' or 'you throw like a girl' All those [expletive] things dads accidentally do," she added. 

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