Chrissy Teigen has shared the first 3D scan of her baby boy.

The American model and TV star, 34, announced that she was expecting her third child with husband John Legend earlier this summer.

Now, the expectant mother has treated her 31.3 million Instagram followers to an intimate glance at her ‘sweet strong baby boy’.

Taking to her Instagram Stories on Thursday night, the brunette bombshell gushed over her unborn son as she settles into the second trimester of her high-risk pregnancy.

Sharing the sweet image, the excited star penned: “You are working so hard.

“I promise it'll be worth it!!!”

Chrissy is expecting her third child with husband John Legend

She then gushed: “We cannot wait to meet you my sweet strong little boy.”

Last week, Chrissy accidentally revealed the gender of her baby as she shared a candid pregnancy update with her fans.

Speaking about her pregnancy woes on her social media story, Chrissy accidentally let slip the baby's gender before realising what she had done.

In the clip, the model lay snuggled up in some blankets as she rested in bed.

Chrissy Teigen has shared the first 3D scan of her baby boy

The mum of two admitted that she had struggled with her placenta and both of her other children had to be induced.

She then went on to say there was nothing to worry about and "he's big."

She then reassured fans: 'Its growing beautifully, everything's good. I'm feeling really good, but my placenta's really, really weak and it's causing me to really bleed a lot.

Pregnant Chrissy Teigen shows off baby bump in cutaway costume after breast op

"Basically, it's just pretty high-risk and, you know, it's just this poor thing has been through so much already."

Chrissy has been reduced to bed rest as she tries to get her placenta back to health during her pregnancy.

The gorgeous television personality and her musician husband decided to announce their exciting news through a music video that was released in August.

At the end of the clip of the song “Wild”, the couple can be seen cradling Chrissy's blossoming baby bump.

Do you have a story to sell? Get in touch with us at [email protected] or call us direct 0207 29 3303