Pippa Middleton Anticipating Third Baby with Husband James Matthews

Chris Jackson – WPA Pool/Getty Pippa Middleton

Pippa Middleton is pregnant.

The youthful sister of Kate Middleton is anticipating her third little one along with her husband James Matthews, a number of sources affirm to PEOPLE. The couple is mother and father to son Arthur, 3, and daughter Grace, 1.

Pippa was glowing in a inexperienced costume that exposed her child bump on the star-studded “Celebration on the Palace” live performance on Saturday evening outdoors of Buckingham Palace.

A consultant for Pippa declined PEOPLE’s request for remark.

She was joined by Matthews, her brother James Middleton and his spouse Alizée Thévenet. Her mother and father Carole and Michael Middleton have been additionally in attendance on the occasion, which celebrated Queen Elizabeth’s 70 years on the throne. Pippa’s sister Kate and her household have been close by within the royal field.

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Chris Jackson – WPA Pool/Getty Pippa Middleton, James Matthews, James Middleton and Alizée Thévenet

Pippa, 38, and James, 46, welcomed their first little one — a son named Arthur — in Oct. 2018. She gave start to a child woman named Grace in March 2021. She adopted within the footsteps of her royal sister by giving start within the Lindo Wing of St. Mary’s Hospital — the identical place the place Kate and Prince William welcomed all three of their kids.

The child would be the sixth grandchild for Carole and Michael Middleton and one other little cousin for Prince George, Princess Charlotte and Prince Louis.

Chris Jackson – WPA Pool/Getty PIppa Middleton

Pippa and James tied the knot in Might 2017 at St. Mark’s Church in Englefield. Her royal nephew and niece, George and Charlotte, served within the bridal get together.

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Ricky Vigil M/GC Pictures Pippa Middleton and James Matthews in January 2022

A supply beforehand advised PEOPLE that Pippa and her husband have been trying ahead to settling down and “having kids and main a quiet life.”

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Pippa formally introduced she was pregnant in a column in Waitrose Weekend within the U.Okay., the place she shared how the child on the best way impacted her train schedule.

“Once I discovered the completely satisfied information that I used to be pregnant, I spotted I wanted to regulate my 4 to five-day-a-week [fitness] routine,” she wrote, noting that she saved her being pregnant a secret from her gymnasium teacher till the “riskier months” have been over.

Karwai Tang/Getty Kate Middleton And Pippa Matthews

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She additionally shared how health has been an integral a part of her being pregnant.

“I’ve seen my physique change, however by way of train I really feel it is being strengthened,” she mentioned. “I am fanatical about sport and have checked out a great deal of books and web sites on train throughout being pregnant, however have been dissatisfied by the restricted technical data on what you’ll be able to and might’t do.”