Britain's Prince Harry, left and Meghan, the Duchess of Sussex. (Clodagh Kilcoyne/PA via AP)

According to PEOPLE.com, Meghan, the Duchess of Sussex,  is said to be in good health and has already had her 12-week scan. 

The news broke of Meghan's pregnancy spread like wildfire after Kensington Palace released a statement on their social media accounts. Kensington Palace also released a statement on behalf of Prince Harry and the former 'Suits' actress.

Meanwhile, as the Duke and Duchess of Sussex kick-off their 16-day tour to Australia, New Zealand, Tonga and Figi, which starts on Monday in Australia, Twitter streets have been flooded with reactions to the pregnancy announcement, with some wondering how Meghan's estranged sister, Samantha Markle, will react.