The Suits actress' relationship with the royal was made public in October, 2016 when it was revealed the couple has been dating for a few months.
Harry is currently on a two-week tour of the Caribbean and during an official engagement on Monday, Gaston Browne, Prime Minister of Antigua and Barbuda, teased his guest in front of 300 guests by inviting the Prince and his new lady to the island nation.
"I believe we are expecting a new princess soon," the politician said. "I want you to know that you are very welcome to come on your honeymoon here, Antigua and Barbuda want to welcome you.
Read more: The Palace just CONFIRMED Harry is dating US TV star Meghan Markle in unusually candid statement
"We have been voted consistently as the best honeymoon destination in the Caribbean, and one of the best in the world, so there will be nowhere in the world as special to spend your honeymoon, when that day arrives."
Reports suggest the 32-year-old Brit blushed as he laughed off the remark, and it wasn't the only embarrassing comment Gaston made, reports Us Weekly.
Read more: Prince Harry is apparently dating this US TV star – and he’s ‘happier than he’s been in years’
He then suggested Harry should enjoy himself with any one of the six beauty queens he met at the event, stating, "You are the coolest member of the royal family and one of the most successful ones. I am quite sure you will have a wonderful evening. Whatever is done here, stays here. So do not worry."
You may also like: Meghan Markle’s brother has something to say to Prince Harry
Prince Harry's Caribbean trip will also take him to Guyana and Barbados, where he will meet R&B beauty Rihanna at a celebration to mark the 50th anniversary of the nation's independence on 30 November, 2016. The Umbrella star has been invited to sing the national anthem.
© Cover Media