Cecelia Ahern is set to become a mum again.
The Irish author took to Instagram to announce the wonderful news.
She is already mum to nine-year-old Robin and six-year-old Sonny with her husband David Keoghan.
She posted a selection of gorgeous snaps with David, who was holding her stomach.
The 37-year-old wrote, ''Royal Ascot!'' and then posted another snap of her and her stylishly-dressed bump.
She captioned it, ''Even the constant rain couldn’t dampen our fun at Royal Ascot! So much fun with friends.''
Her fans were delighted with the happy news.
One said, ''Brilliant shots!!! Absolutely delighted for you both too.''
While another wrote, ''This is adorable! Hugest congratulations beauty.''
Huge congratulations to the pair.