The Duke and Duchess of Cambridge with Prince George.

While rumours continue to swirl about the alleged pregnancy of Kate Middleton, official sources remain “mum” on the matter.

Middleton, 31, is said to be expecting her second child with Prince William, just six months after the birth of royal baby Prince George Alexander Louis, according to rumours that continue to circulate, the International Business Times reported last week.

But the examiner blog noted that, “If Kate Middleton is pregnant, the news of a royal pregnancy has not been confirmed by any official sources or major news outlets. Clarence House has yet to confirm or deny the report of Kate Middleton being pregnant again.”

A British tabloid magazine, Star Magazine, carried a headline in bold on their cover that read: “It’s official, Kate’s pregnant again!”

If that report is to be believed, Kate is well into her first trimester.

Kate’s mother, Carole Middleton, has said that if the couple had a girl, they would name her Diana after William’s late mother, Princess Diana.

“Kate and William will, of course, be happy with a healthy baby of either sex, but Kate is really hoping for a girl this time,” a royal insider told the magazine. “She feels a little sister for George would be perfect.”

The magazine also reports that Kate hasn’t suffered from the morning sickness she experienced while she was pregnant with Prince George.

The report mentioned witnesses who claim to have spotted Kate’s small baby bump during her recent visit to Natural History Museum.

Prince George was born on July 22. - The Mercury