And the reason? No, not an official announcement from Buckingham Palace, or a noticably rounded tum, but the refusal of a taste of peanut paste!
Kate and William were on an official visit to a UNICEF distribution centre in Denmark on Wednesday, and whilst William sampled the product, Kate refused (and, according to the Daily Mail, did so with a 'knowing look' in Wills' direction!)
A nut allergy has reportedly been ruled out, with ABC News being told that The Palace 'went out of their way to stress that she has no nut allergy whatsoever.'
Which obviously only leaves one conclusion to be drawn - pregnancy!
(Unless of course Kate simply does not like peanuts...)
What do you reckon? A baby on the way, or another nutty rumour?