And in this week's issue, number 1085, she's exclusively sharing the good news she had been waiting for: the 33-year-old TV presenter is thrilled to announce that she is four months pregnant with her second child.
Kirsty has double cause for celebration. Not long after she discovered she was pregnant, her rugby star boyfriend Paul Sampson - pictured with Kirsty for the first time in the new magazine - asked her to marry him.
In the current issue, on sale now, Kirsty tells us how the pregnancy is progressing. She also recounts Paul's romantic proposal, and the couple's plans to tie the knot next year.
Our other great exclusive this week is a chat with Jennifer Lopez as part of a 'fabulous at 40, beauty secrets' report. The Jenny From The Block singer lifts the lid on her beauty regime and just how she managed to shed the weight so soon after welcoming twins Max and Emme.
Read the full stories in the new HELLO!, which also contains a special look at stars on holiday and the lowdown on how Victoria Beckham's boys inspired her American Idol job.