Prince Harry will be turning 40 in just a few months and one expert believes he will be joined by some members of the Royal Family, despite their bitter feud

Prince Harry has some decisions to make as he gets ready to celebrate his 40th birthday as it seems he could be joined by some members of the Royal Family.

He will no doubt be celebrating his big day on September 15 with Meghan Markle and their two kids – Prince Archie and Princess Lilibet. Royal expert Tom Quinn believes the Duke of Sussex will also meet with Princess Beatrice and Princess Eugenie.

However, Tom believes their involvement in Harry’s birthday could come at a cost. He explained: “If any of key members of the Royal Family are involved in Harry’s 40th birthday celebrations it will be Beatrice and Eugenie, but this presents a problem for Harry.”

Prince Harry could have some difficult decisions to make (Image: Getty Images)

He’s still close with Princess Beatrice and Princess Eugenie (Image: Dave Benett/Getty Images)

Tom added: “He would love to have his cousins, but he will draw the line at Prince Andrew and that upsets Beatrice and Eugenie who are loyal to their father and desperate to see him brought in from the cold in some way. Harry needs all the friends he can get but there are limits.”

The royal author has also suggested Harry has gotten closer to Beatrice and Eugenie since moving to America, despite his feud with other members of the Royal Family. Tom suggested this friendship is causing unease among Prince William and Princess Kate.

He explained: “For William and Kate an alliance between Harry and Meghan and Beatrice and Eugenie is a huge worry. They sense that Beatrice and Eugenie feel that, as virtual outcasts themselves, they have far more in common with Harry and Megan than with any other part of the family.

“The situation is made worse by the fact that the senior royals’ main asset – Kate herself – is effectively out of action while she continues her treatment for cancer.” The Princess of Wales announced back in March she is being treated for cancer and has since stepped down from public duties.

Tom continued: “The worry for the senior royals is that after their tour of Nigeria, Harry and Meghan will seize the initiative, revelling in positive publicity while Kate is forced to stay in the background. Although Harry and Meghan have little sympathy for Prince Andrew, they’ve kept in regular contact with Beatrice and Eugenie who have always been free of any associations with Meghan’s angry, bitter time in the UK.”