Katherine Schwarzenegger welcomes her first child with husband Chris Pratt

Katherine Schwarzenegger, 30, has welcomed her first child with husband Chris Pratt, 41. 

Katherine’ brother Patrick, 26, confirmed the birth to ET on Sunday, while at a market in Santa Barbara. 

‘They’re doing great — just got her a little gift,’ said the 26-year-old actor, who could be seen ‘carrying a package with a pink ribbon.’ 

The couple’s pregnancy was confirmed by Katherine’s mother Maria Shriver, 64, on April 30, when Pratt appeared as a guest on her Instagram Live series #HomeTogether.

Welcome! Katherine Schwarzenegger, 30, has welcomed her first child with husband Chris Pratt, 41

‘You’re gonna have another beautiful family member,’ said Shriver to Pratt at the time.

Less than a month later, Katherine was spotted for the first time with a visible baby bump, while leaving Maria’s home in the Pacific Palisades area.  

The baby happens to be Schwarzenegger’s first child, whereas Pratt shares a seven-year-old son with ex wife Anna Faris, 43. 

News of Katherine’s pregnancy came just 10-months after her wedding to Chris, which was held on June 8 of 2019 in Montecito, CA.  

He had proposed to Katherine in January of 2019, less than a year after they began dating in June of 2018. 

Days prior to the birth of their newborn, the Jurassic World star uploaded a snapshot of himself and his pregnant wife with the caption: ‘Ready to pop, still don’t stop.’ 

Baby on board: News of Katherine's pregnancy came just 10-months after her wedding to Chris, which was held on June 8 of 2019 in Montecito, CA

Baby on board: News of Katherine’s pregnancy came just 10-months after her wedding to Chris, which was held on June 8 of 2019 in Montecito, CA

In the photo, Katherine looked heavily pregnant in a black tank top and leggings as she posed prom style with Chris.

He continued: ‘Top of the mountain today. Kinda grateful it didn’t go down on the trail tho to be real.’

Chris and Katherine were first linked in 2018, after they were spotted canoodling in Santa Barbara, CA.  

Seven months prior, Chris filed for divorce from wife Anna Faris after eight-years of marriage, citing ‘irreconcilable differences,’ according to TMZ. They asked for joint custody of their son Jack who was five-years-old at the time.

Ready to pop: Days prior to the birth of their newborn, the Jurassic World star uploaded a snapshot of himself and his pregnant wife with the caption: 'Ready to pop, still don't stop'; Chris and Katherine pictured on Instagram on August 1

Ready to pop: Days prior to the birth of their newborn, the Jurassic World star uploaded a snapshot of himself and his pregnant wife with the caption: ‘Ready to pop, still don’t stop’; Chris and Katherine pictured on Instagram on August 1

Chris and Katherine made their first PDA in July of 2018, followed by numerous family hangouts with the Schwarzenegger’s and the Pratt’s, which were documented on social media.  

The couple did not confirm their relationship status until December of 2018, a little over a month after Chris’ divorce from Anna was finalized, as reported by E! News.

The confirmation came in the form of ‘Happy Birthday’ post from Chris to Katherine, which included a photo collage of the brunette beauty.

Confirmed: The couple did not confirm their relationship status until December of 2018, a little over a month after Chris' divorce from Anna was finalized, as reported by E! News

Confirmed: The couple did not confirm their relationship status until December of 2018, a little over a month after Chris’ divorce from Anna was finalized, as reported by E! News 

Engaged: Chris had proposed to Katherine in January of 2019, less than a year after they began dating in June of 2018

Engaged: Chris had proposed to Katherine in January of 2019, less than a year after they began dating in June of 2018

‘Happy Birthday Chief! Your smile lights up the room. I’ve cherished our time together. Thrilled God put you in my life. Thankful for the laughs, kisses, talks, hikes, love and care,’ wrote the Parks And Rec alum.     

Katherine is the daughter of actor Arnold Schwarzenegger, 73, and American journalist Maria Shriver, 64.

Arnold and Maria – who split in 2017 after 31-years of marriage – also share daughter Christina, 29, and sons, Patrick, 26, and Christopher, 22. 

The Terminator star has a 22-year-old son named Joseph Baena, whom he fathered with former nanny Mildred Patricia Baena, 59, while still married to Maria. 

Famous family: Katherine is the daughter of actor Arnold Schwarzenegger, 73, and American journalist Maria Shriver, 64

Famous family: Katherine is the daughter of actor Arnold Schwarzenegger, 73, and American journalist Maria Shriver, 64