Pippa Middleton
Pippa Middleton and Kate Middleton.Reuters

Amid the Duchess of Cambridge Kate Middleton's third pregnancy wild speculations, now latest reports suggest that her younger sister Pippa Middleton is also planning to get pregnant at the same time.

According to reports, Kate and Pippa are planning to get pregnant at the same time so that the babies grow up together with Prince George and Princess Charlotte. Pippa, who spends as much time as she can with her niece and nephews, wants her own children to play with Kate's kids, Daily Star quoted an insider as saying.

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"Pippa thinks Kate is a great mum and wants to join in the fun. "She thinks it will be wonderful for George and Charlotte to have cousins to play with soon," a source told the tabloid.

Pippa Middleton wedding
Britain's Catherine, Duchess of Cambridge stands with her son Prince George as she looks across at Pippa Middleton and James Matthews after their wedding at St Mark's Church in Englefield, Britain May 20, 2017.Reuters

Not only insiders, but also even bookies are expecting an announcement in August or September. In fact, there has been a flurry of bets on both Middleton sisters expecting at the same time.

"The bets on Kate planning to fall pregnant at the same time as Pippa are crazy," bookies Coral told Daily Star.

"People are expecting an August or early September announcement, as punters reckon Pippa will start her family soon after the wedding. The odds are getting slashed by the minute. We'll have to suspend betting at this rate."

Pippa Middleton
Prince George looks across at Pippa Middleton and James Matthews after their wedding at St Mark's Church in Englefield, Britain May 20, 2017Reuters

Meanwhile, Pippa is currently enjoying her honeymoon with husband James Matthews in tiny Tetiaroa in the Pacific. She got married to James in a private, but royal wedding ceremony on May 20, at St Mark's Church in Englefield.

The royal and private wedding function was attended by celebrities and royal family members, including Kate Middleton, Prince William, Prince Harry and Roger Federer and his wife Mirka. After the wedding, Pippa-James along with the guest went to the reception party in the evening at the Middleton family home in Bucklebury. Harry's girlfriend Meghan Markle attended the reception in Bucklebury.