Lucy Mecklenburgh’s shows off incredible fitness transformation

They welcomed their first child together, a son named Roman, in February.

And Ryan Thomas shared images of his fiancée Lucy Mecklenburgh’s amazing fitness transformation following the birth, on his Instagram page on Friday morning.

In the snaps the former TOWIE star, 29, is pictured just a day before welcoming their little boy, nine months, as well as in gym gear in a photograph taken recently.

In the recent photo Lucy looked incredible in a grey sports bra, which was teamed with a pair of form-fitting black gym leggings.

The mother-of-one opted for light touches of make-up in neutral tones and styled her brunette tresses in a sleek bob.

In the throwback image Lucy looked equally stunning as she cradled her baby bump while wearing a black sports bra and leggings. 

Gushing over his stunning wife-to-be, Ryan wrote: ‘This was taken one week before our son was born SWIPE LEFT to now!! Madness!!! Not easy being a mummy & trying to stay healthy we are so proud of what you’ve achieved.’ 

Correcting her other half, Lucy commented underneath: ‘The day before actually.’  

Lucy and Ryan’s supportive pals were also quick to comment and TOWIE’s Georgia Kousoulou, wrote: ‘WOW!’ alongside a series of flame and heart emojis. 

Meanwhile Ryan’s brother Scott penned: ‘Looking PENG as Scarlett would say.’

Vicky Pattison, said: ‘Love this! Mean supporting their leading ladies is always a WINNER!!’

The star previously spoke about her four stone weight loss after giving birth.

‘I didn’t do any diet or quick fixes’, the online influencer told MailOnline as she touched on her healthy lifestyle.

The media personality explained how she didn’t feel ‘pressured’ to return to exercising four times a week once her doctor gave her the all-clear to workout again.

Lucy explained: ‘I didn’t put pressure on myself and had good nights’ sleep. I just listened to my body and I needed rest.

‘For the first two months, I did the odd bit of walking. I try to get one nutritious meal in the day, not just coffee and biscuits which I would probably have if Ryan wasn’t such an amazing chef.

‘I tried to do 10 minute stretches a day and ease into light workouts at home – I haven’t got any big golden thing that gave me the weight loss.

‘I thought after my eight week check when I got the all clear [to exercise] I would have been back to training four times a week, but I just thought to myself “I’m tired, when I get an hour free, I either want to spend it by having a nap or it’s extra play time for Roman. There’s always something else that needs doing”.’

Admitting the things she once considered as paramount in her life have shifted, the TV star added: ‘It is important to stay fit and healthy to have some me-time, but when you have a newborn, you just want to sleep and spend time with your child.

‘Priorities do change, I don’t have time to train four times a week like I used to, but that’s fine. My life is different now, Roman is my priority, not the gym!

‘I’m currently working on email for my fitness company two days a week, a lot less than before. Right now, Roman is my priority, he’s not even five months yet – he takes up a lot of my time!’