Prince William and Kate Middleton with George and Charlotte
Britain's Prince William and his wife Catherine, Duchess of Cambridge, arrive with their son Prince George and daughter Princess Charlotte for Princess Charlotte's christening at the Church of St. Mary Magdalene in Sandringham, Britain July 5, 2015.Reuters

Kate Middleton and Prince William could well be the happiest parents and feel complete with Prince George and Princess Charlotte. But it looks like the Duke of Cambridge may want to expand his family as he expresses his desire to have a third baby with the Duchess of Cambridge.

In his latest interview with Telegraph, the 33-year-old Prince not only praised Kate for being a fantastic mother, but also gushed about his newly-born Princess Charlotte. In fact, he went ahead to express that the couple may consider having a third royal baby.

This interview comes after the grand event of Princess Charlotte's christening, in which both the Duke and Duchess of Cambridge look quite content. 

Talking about Charlotte and George, the Prince said: "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," the Duke added while talking about the Duchess.

And when asked about his plans of having more children, Prince William cryptically hinted saying "You never know".

"We've only just had the second one. You never know what is going to happen in the future," he said.

In fact, recently, the website had also reported that Kate Middleton is already telling her friends that she wants to have a third baby. The report suggested that the Duchess of Cambridge has even set a date as she wants to have the next child before she turns 35.

Kate Middleton has two siblings Pippa and James, so apparently, the mother of two wants Prince George and Princess Charlotte also to have a similar childhood experience as she did.

Meanwhile, Redbook (via Yahoo) has worked out the logistics and has predicted that Kate Middleton and Prince William's third child will be born in 2016. 

Well, it looks like both Kate Middleton and Prince William are on the same page when it comes to having a third royal baby.