Jessie J snapped a mirror selfie in a bikini months after giving birth (Picture: Instagram)

Jessie J offered her online followers a glimpse at her post-baby body after she shared a bikini mirror selfie on Tuesday. 

The 35-year-old singer snapped a picture of herself wearing a dark green two-piece in the mirror and covered her eyes with some black sunglasses. 

Giving birth to her first child with her basketball star partner Chanan Safir Colman in May, the hitmaker has been candid about her life as a new mum. 

Posing for the camera, the musician shared the stunning selfie to her Instagram stories and glowed in the bandeau style top and high-waisted bottoms. 

The star also shared a number of pictures holding her baby son Sky as the duo enjoyed a meal out together at a restaurant. 

Speaking openly about getting back into shape after giving birth, the star posted a video to her main feed and told fans her exact weight in the caption. 

The star was stunning in green (Picture: jessie j / instagram)

She gave birth to her son in May (Picture: Instagram/Jessie J)

The clip showed Jessie hitting the gym, lifting weights and checking all her body stats as she eased back into working out. 

She captioned her footage: ‘My hair is longer. My ass is flatter. My belly is wiser. My balance is… My dance moves are still like I’m 12. My smile is way bigger. My form is questionable. My heart is full af

‘And… My muscle mass is some how more than before I even got pregnant?! Sky getting my [muscle emoji].

‘Over a year since I’ve been here with my main man @chiefnaka.’ 

Underneath the post, fans praised the star for being so open about her journey back to the gym and commented well-wishes. 

One said: ‘Yessie J has been giving me the motivation for so loooong.’ 

Another wrote: ‘seeing you happy and enjoying your life really fills my heart! love you, j.’

‘You.Go.Gurl. Embarking on the most amazing journey of your life,’ was a social media user’s response to the video of the singer at the gym. 

Jessie revealed she had become a mum months ago and announced her happy news online, explaining: ‘A week ago my whole life changed. My son entered this world and my heart grew twice the size. The feeling is indescribable. I am flying in love. 

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‘He is magic. He is all my dreams come true. He is my whole [world]. He and I are both doing great. I am soaking up every second and still can’t believe he is real, here and mine.

‘I am so grateful phew *happy tears*. For all of you that have followed my journey to this moment, thank you for all your continued love and support. I will be back on Instagram when I’m ready.’

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Jessie’s just glowing.