Chris Pratt and Katherine Schwarzenegger welcome their second daughter

Chris Pratt and his role as father and husband 1:41

(CNN) — 

Chris Pratt and Katherine Schwarzenegger have announced the birth of their second daughter.

The "Guardians of the Galaxy" actor and his writer wife took to their respective Instagram accounts on Sunday night to share that they welcomed a baby girl named Eloise Christina Schwarzenegger Pratt on Saturday.

"We are very excited to announce the birth of our second daughter, Eloise Christina Schwarzenegger Pratt. Mom and baby are doing well," the caption read.

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A post shared by Chris Pratt (@prattprattpratt)

"We feel beyond blessed and grateful. With love, Katherine and Chris."

The couple, who married in 2019, are already parents to a daughter, Lyla Schwarzenegger Pratt, who was born in August 2020. Pratt also shares a 9-year-old son, Jack, with ex-wife Anna Faris.

Schwarzenegger, who is the daughter of Arnold Schwarzenegger and Maria Shriver, has previously spoken about navigating the challenges and triumphs of motherhood with the help of her other half.

"My husband has always been very supportive and very vocal as well," she told British model and fellow new mother Iskra Lawrence in a Mother's Day edition of her Instagram video series "BDA (Before, During, & After) Baby" from last year.

"He will look at our daughter (Lyla) and say, 'Can you believe you can feed yourself, your body can feed your baby?'"

Pratt hinted in July of last year that he wanted a big family with his wife.

Speaking on E!

News Daily Pop, the "Jurassic World" star joked that she "would love to have more, as many as the man upstairs can provide."

He added, "We will. I'll probably have to talk to Katherine about it, but my plan is, let's go."

Chris PrattDaughterKatherine Schwarzenegger