Prince William and Kate Middleton
Prince William has opened up about his desire to expand his family with Kate MiddletonReuters

Prince William has opened up about his desire to expand his family.

In an interview with The Telegraph, the 32-year-old Duke of Cambridge, gushed about his second child, Princess Charlotte, whom he welcomed with Kate Middleton, on 2 May this year.

"It has been fantastic and she has been a little joy of heaven. But at the same time it is more responsibility, looking after two little ones, especially when George is around. He's a little monkey," he said.

"But it is fantastic having a lovely little family and I am so thrilled. And Catherine has been doing an amazing job as a mother and I'm very proud of her," Prince William added.

When asked about the royal couple's plans to expand their family, he said: "We've only just had the second one. You never know what is going to happen in the future."

Meanwhile, Kate Middleton's uncle Gary Goldsmith had previously revealed that the 32-year-old Duchess of Cambridge and Prince William will have more children.

"I don't think they'll stop at two," he told Hello! "So if it isn't a girl this time around, people shouldn't be too disappointed."

"I'm sure there'll be a girl in the mix at some point. As long as the baby is healthy, that is the important thing," Goldsmith added.