Katie Couric Is a Grandma! Daughter Ellie Welcomes First Baby, a Boy, with Husband Mark Dobrosky

"Mom and Dad are over the moon, I am thrilled to have my first grandchild," Couric wrote on Instagram as she shared the happy news of the baby's arrival

Katie Couric has a new name — grandma!

The veteran journalist's daughter Ellie, 32, welcomed her first baby with husband Mark Dobrosky on Saturday. Couric announced the happy news on Instagram on Sunday, sharing a series of photos of the newborn along with his birth details and name, which has a touching significance.

"John Albert Dobrosky was born on his due date, Saturday, March 23rd at 8:23 am, just shy of seven pounds. He will be called Jay in honor of his maternal grandfather," she wrote, referring to her late husband and Ellie's father, Jay Monahan, who died in 1998 at age 42 from colon cancer.

"Mom and Dad are over the moon, I am thrilled to have my first grandchild, Carrie can’t wait to be a cool Aunt and Molner is enjoying handing out cigars. We feel so blessed. 💙🥰🍼👶🏻💙 We’ll have more tomorrow in Wake-Up Call ⏰❤️," Couric added, teasing more updates to come about the baby in her daily newsletter.

Couric's post included a photo of the proud parents posing with their tiny son in the hospital. Another shot showed Couric holding her grandson and making an exaggerated surprised face as the baby appeared to yawn.

She also shared a photo of her daughter Carrie meeting her new nephew. Another snapshot showed Couric's husband, John Molner, holding a celebratory cigar as he stood next to Dobrosky.

Related: Katie Couric Is Going to Be a Grandma! Watch Her Shocked Reaction to Her Daughter’s Pregnancy Reveal

In December, Couric announced that her daughter Ellie was pregnant by sharing the moment she first learned that Ellie was expecting.

Along with Carrie, 28, Ellie told her mom the news before the trio attended a Taylor Swift Eras Tour show earlier this year.

Before heading to the concert, Ellie and Carrie participated in one of the tour’s most popular traditions, bringing beaded friendship bracelets to trade — and used the accessory to tell their mom that Ellie is pregnant.

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Couric posted a video of the moment, which appeared to be captured by Dobrosky, Ellie’s husband of two years.

In the sweet clip, Carrie handed her mom a bracelet and the former Today anchor thought out loud as she tried to decipher what it said (“brand, brandy, B, granny…”) before saying what the beads actually spell: “Granny to be.”

Still laughing at her attempts to decrypt the bracelet’s message, Couric’s face went blank as she realized what the message meant.

Then Ellie said, “I’m pregnant,” and her jaw dropped.

"You are?” Couric said, covering her mouth, seemingly in shock. “Wow.”

After the mom-to-be asked Couric if she is “freaked out,” the journalist said, “No,” and laughed again.

In the caption, Couric wrote that she has “been dying to tell” her followers the good news.

“This is what happens when you go to a @taylorswift concert last summer and forget your friendship bracelet and your daughters say, ‘Don’t worry, we made one for you!’” she wrote, adding the hashtags “#omg #omg #omg #omg #needmy🤓.”

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