January Jones used to lie to her X-Men: First Class personal trainer about the amount of exercise she was doing.
The actress starred as Emma Frost in Matthew Vaughn's 2011 mutant movie and was given a trainer on set to help her stay in shape during filming.
However, January admitted during an interview with Shape magazine that she used to lie to her fitness coach to avoid having to complete intense workout regimes.
"When I was filming X-Men, they had trainers for all of us. I would lie and say I was exercising in my hotel room, when actually I was watching Friends and having full tea service," she laughed.
The Mad Men star also explained that her father was a personal trainer and her family used to rebel when he pushed them to exercise.
"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," the 42-year-old shared. "It's not that I wasn't active... But on a regular basis, I wouldn't work out, ever."
But after having her son Xander in September 2011, January's entire mindset about working out changed.
"After I had my son, Xander, I wanted to feel strong because my body had changed so much," she explained. "As he got bigger and I was hauling around a 20- or 30-pound toddler, my lower back gave out and I saw my shoulders starting to curl and hunch. I wanted to do something for my posture and core strength."
January took up barre classes two or three years ago and has been doing Lagree Pilates two to four times a week for the past year, and she has noticed the difference, with her adding, "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."
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