Madison De La Garza is expecting her first child, sister Demi Lovato reacts

On Thursday, Desperate Housewives The star announced on Instagram that she is pregnant and expecting her first child with her boyfriend, actor Ryan Mitchell.

Madison, who announced that her due date is next month, shared a series of photos in her post, including a sweet shot of her cradling her growing baby bump while posing next to Mitchell and a family photo that shows the mom-to-be with her sisters Demi and Dallas and her mother Dianna.

“Oh Ryan, how I love you. Thank you for making all my dreams come true. ♥️,” wrote 22-year-old Madison under the post. “Baby Mitchell, 10/24.”

Madison's fans, friends and family shared their love and well wishes in the comments section.

Among those who sent heartfelt messages was future Aunt Demi, who wrote: “I love you and this baby so much already!!”

Madison's mother also commented and wrote: “Woohoooo I'm going to be a REAL GRANDMA NOW!!!! Love you!!❤️❤️❤️.”

Her cousin, fellow actor Braeden De La Garza, left a sweet comment, writing, “My uncle's training is finally going to pay off.”

Meanwhile, Demi also posted her sister's exciting news on her Instagram stories and re-shared the family photo of her posing with Madison.

“Congratulations baby. I love you so much!!! 🥹🥹 @maddelagarza,” the singer wrote next to the photo.

According to Madison's Instagram account, she apparently only made her relationship with Mitchell public in June, when the actress posted a cute selfie of them posing together in Palm Springs.

“My whole world ♥️,” she captioned the photo at the time.

Check out all of this year's major pregnancy announcements in the gallery below.