Oh, boy! Dylan Dreyer welcomes baby No. 2

A beloved member of our TODAY family has an even bigger family of her own now.

Dylan Dreyer gave birth to a beautiful baby boy!

The meteorologist and 3rd hour of TODAY co-host and her husband, Brian Fichera, welcomed Oliver George Fichera to the world on Thursday morning. The little guy arrived at 9:13 a.m., weighing 7 pounds, 2 ounces and measuring 19 inches.

Dylan Dreyer and her husband, Brian Fichera, with new baby Oliver George

"Dyl and Ollie are doing fantastic," happy papa Brian said.

We first learned that they were expecting back in July, when Dylan made a joyful announcement.

In fact, baby No. 1, 3-year-old Calvin, helped reveal the big news via a home video that aired on the show.

Dylan Dreyer and her husband, Brian Fichera, with new baby Oliver George and firstborn Calvin

In the clip, he looked at a sonogram image, which he believed showed that there were "five babies" in "Mommy's belly."

While Cal overestimated the number of siblings that were on the way, it was clear how thrilled he was to learn he'd soon be a big brother.

We were all delighted about the news, especially since it came on the heels of unexpected difficulties and heartbreak.

Calvin holding his baby brother, Oliver George

Earlier this year, Dylan and Brian opened up about their struggle to expand their family, including dealing with secondary infertility, surgeries to remove scar tissue from Dylan's prior C-section, the joy of another pregnancy and the devastation of miscarriage.

They'd just decided to pursue IVF when they experienced a happy interruption to their plans right after Dylan picked up her first rounds of medication.

Dylan Dreyer with new baby Oliver George

"My doctor calls and says, 'Don't take anything. You're pregnant!'" she said on TODAY in July, near tears. "I'm just so happy now."

And, no doubt, she's even happier now that they can hold their new bundle of joy in their arms.

Congrats to Dylan, Brian and new big brother Calvin!

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Dylan Dreyer on NBC's Today show
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Dylan Dreyer on NBC's Today show
TODAY -- Pictured: Dylan Dreyer on Wednesday, January 23, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: (l-r) Jacob Soboroff, Craig Melvin and Dylan Dreyer on Wednesday April 3, 2019 -- (Photo by: Mike Smith/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer on Thursday, March 28, 2019 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Sheinelle Jones, Dylan Dreyer and Savannah Guthrie on Tuesday, April 16, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: (l-r) Sheinelle Jones, Dylan Dreyer, and Jacob Soboroff on Tuesday, April 2, 2019 -- (Photo by: Tyler Essary/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer on Monday, December 10, 2018 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: (l-r) Al Roker, Craig Melvin and Dylan Dreyer on Friday, March 29, 2019 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer on Thursday, March 28, 2019 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Sheinelle Jones, Al Roker, Dylan Dreyer and Jay Leno on Tuesday, March 12, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 21: Dylan Dreyer is seen on February 21, 2019 in New York City. (Photo by Jose Perez/Bauer-Griffin/GC Images)
TODAY -- Pictured: (l-r) Sheinelle Jones, Craig Melvin, Dylan Dreyer and Jenna Bush Hager on Tuesday, February 19, 2019 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer, Sheinelle Jones, Al Roker and Craig Melvin on Tuesday, January 22, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer on Friday, January 18, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Sheinelle Jones, Dylan Dreyer, Hoda Kotb, Craig Melvin, Jenna Bush Hager and Al Roker on Monday, January 7, 2019 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer on Thursday, December 27, 2018 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dylan Dreyer and Neil deGrasse Tyson on Wednesday, November 7, 2018 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
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