Jack Osbourne has a new reason to bark at the moon.

The Fastexy37-year-old son of Ozzy and Sharon Osbourne married Aree Gearhart in a private ceremony last week.

"Something really cool happened," Jack wrote on Instagram Sept. 21, sharing a photo of himself and the interior designer standing in a field clad in their wedding attire. "I married the most amazing women I've ever met. All in."

In a post of her own, Aree shared that she and The Osbournes alum had "snuck away" to tie the knot. "i am honored to be your wife," the 32-year-old added. "all in forever."

Both of their pages were flooded with well wishes, with Jack's sister Kelly Osbourne gleefully welcoming his new wife into the family. "Well well well MRS OSBOURNE!" she wrote. "I'm so happy that it's official… we are sisters!" 

Meanwhile, Jack's former Dancing With the Stars partner Cheryl Burke commented, "OMG! Congrats to the both of you."

Osbourne matriarch Sharon added in a separate post that she was "bursting with joy" over her new daughter-in-law. "Enjoy the beautiful ride ahead," the former The Talk co-host shared, "and welcome to the family."

The intimate nuptials come 14 months after the couple welcomed daughter Maple. The baby girl joined Jack three older kids from his previous marriage to Lisa Stelly: daughters Pearl, 10, Andy, 7, and Minnie, 4.

"Her step-mom skills make my heart so full," Jack said of Aree in 2021, when sharing news of their engagement. "I couldn't be happier then [sic] I am right now." 

He added in his announcement, "She's truly a magical being with a heart bigger then [sic] anything I could have imagined."

For the latest breaking news updates, click here to download the E! News App