Demi Lovato is grappling with a devastating family loss. The celebrity’s sister, Madison De La Garza, revealed on Instagram that her newborn daughter, Xiomara, tragically passed away last month following an emergency C-section.

In a heartfelt tribute to her “most perfect angel in heaven’, Madison, 22, wrote: “, Madison, 22, penned: “On the evening of September 27th, after an emergency C-section, Ryan and I held our little girl for the first and last time. Thank you, Xiomara, for making us parents to the most perfect angel in heaven. Mommy and Daddy love you sweet girl.”

Demi, 32, courageously responded to her sister’s post, writing: “I love you so much, Xiomara. An angel in every sense of the word. I’ll be your auntie forever.”

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She then shared on her Instagram stories, posting: “RIP to my beautiful, perfect niece Xiomara. I’m so grateful I got to hold you. I’ll forever be your auntie.”, reports the Mirror.

She tagged Madison, writing, “I love you so much”.

Dallas, 36, another sister of Madison and Demi, also paid homage to Xiomara, writing: “Baby girl Xiomara, I miss you everyday. I’ll take good care of your mom, so you can fly away. Watch over us and guide us and give us little signs. One day we’ll come and see you, it just might take some time.”

Madison, known for her role as Juanita Solis on Desperate Housewives during her childhood, had announced her pregnancy at the start of September, informing fans that her baby was due in October. “Oh Ryan, how I love you,” she wrote in a heartfelt Sept. 5 Instagram post, cuddling close to Ryan as they showed off Madison’s growing belly.

The star gushed: “Thank you for making all of my dreams come true. Baby Mitchell 10.24.” Underneath, Ryan simply put, “I love you,” and she sweetly replied, “My everything.”

The celebratory mood continued with Madison sharing snaps of her joyous family moments, including her mother, Dianna De La Garza, and siblings, Dallas and Demi, who chimed in the comments with an affectionate, “I love you and this baby so much already!!”

Just a few weeks earlier, Demi shared her delight at the thought of becoming an aunt during an E! News interview at her Hulu documentary ‘Child Star’ screening, declaring, “I’m really excited to have new life come into our family. Family is very valued to me. I value family and friends over success any day..”