Queen Elizabeth could be a great-grandmother all over again as one of her grandchildren is speculated to be in the family way. But while royal fans have been predicting new babies for Meghan Markle, Kate Middleton or Princesses Beatrice and Eugenie, punters in the U.K. have actually slashed the pregnancy odds of Zara Tindall, the Queen's first granddaughter.

According to Tatler, Zara and her husband, former pro athlete Mike Tindall, could be announcing their third baby soon. Bets for the Tindalls have apparently overtaken bets for Prince Harry and Meghan or Princess Eugenie and her husband, Jack Brooksbank, who used to be the favorite odds at betting sites. 

The odds are now 2/1 that Zara will be pregnant this year. Previous to that, the Tindall couple's betting odds was at 10/1.

A spokesperson for My Betting Sites said that  Zara and Mike  have been a surprising turnout because the Queen's granddaughter has not been the subject of pregnancy rumors for years. However, if there's smoke then there's fire and perhaps those bets coming in may have spark a big palace secret that won't be a secret for long. 

Zara is the daughter of Princess Anne, Queen Elizabeth's only daughter, with her ex-husband, Mark Phillips. She is mom to two girls, Mia, who is 6 years old, and Lena, who is one. The Tindalls have tried for years to have more children but Zara suffered two miscarriages in the past. 

During an interview with BBC Breakfast, Zara said that it was hard to cope with her miscarriages because these were reported in the news around the country. This is usually a personal crisis that only families go through but Zara's miscarriage was known to the public because of her status as Queen Elizabeth's granddaughter. 

Meanwhile, punters think that Prince Harry and Meghan would also have a baby announcement before the year ends. The couple is currently in Los Angeles to start their new life as non-working royals. But due to the coronavirus pandemic, Prince Harry and Meghan can't launch their new foundation, Archewell, as gatherings and in-person meetings are to be avoided as much as possible. 

Prince Harry and Meghan won't also likely be able to travel this summer to Balmoral to spend time with Queen Elizabeth. It would have been Archie's first time to bond with his great-grandmother and royal relatives but travel plans are still uncertain amid this pandemic. 

In 2019, Prince Harry told a friend, Jane Goodall, that he wants a maximum of two children.  Since Meghan is already 38, royal fans think that the couple will work on having a second baby sooner rather than later.