The Love Island star, 31, already shares son Abel, two, with husband Alex who she famously met in the ITV2 villa, took to her Instagram with a radiant selfie.
Despite still undergoing weekly treatment for cancer more than a year after his initial diagnosis, His Majesty braved soaring temperatures to attend the world-famous race meet each day.
The former TOWIE star, 32, tied the knot with Oliver Burke, 27, in a romantic ceremony earlier this month after saying 'I do' in front of their loved ones at Grantley Hall in North Yorkshire.