showed off her toned physique in black workout gear as she hit the gym on Friday following her split from her husband, .
The former star, 36, looked incredible in a black sports bra and matching skin-tight leggings as she took a quick selfie break while working up a sweat.
Flaunting her taut midriff, Millie completed the sporty look with chunky black-and-white Nike trainers.
Sharing the sizzling snap to her Instagram Story, the star captioned the post: 'Friday let's go,' alongside a flexed biceps emoji.
It comes as Millie and Hugo, 39, have reportedly .
They are said to have both , with the pair keen for a 'clean break' while continuing to co-parent amicably.
Millie Mackintosh showed off her toned physique in black workout gear as she hit the gym on Friday
It comes after the former Made In Chelsea star, 36, and her husband Hugo, 39, have reportedly filed for divorce following their shocking split after seven years of marriage (both pictured 2025)
They quietly separated after a 'difficult year' following struggles in their marriage, which were believed to have been heightened by Millie's admissions about her sexuality.
A source said: 'Fans will be sad to hear that their relationship is really over, but the pair just want a clean break.
'Millie and Hugo are committed to co-parenting their two young children and keeping everything stable. They are still very amicable with each other and have a lot of respect for one another.'
They went on to tell The Sun: 'They want the divorce to go through as painlessly as possible and are focusing on work in the meantime.'
The Daily Mail contacted Millie and Hugo's representatives for comment.
The couple - who met as teenagers and first - had been married since June 2018.
A source told the Daily Mail: 'Millie and Hugo are currently .
'They have known each other for many years, and in recent weeks, have had serious conversations about their future, ultimately deciding it's better for them both to part ways.
The couple share daughters Sienna, five, and Aurelia, four (pictured 2025)
The couple's relationship was first followed on Made In Chelsea.
After six months of dating, their relationship hit a wall when Millie and they split in 2011.
