Princess Diana’s niece Kitty secretly welcomes first child

"It’s the joy of my life to be your mummy."
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Lady Kitty Spencer, 33, has secretly welcomed her first child with husband Michael Lewis, 65.

WATCH: Peek at Lady Kitty Spencer’s five stunning wedding gowns

Princess Diana’s niece took to Instagram on Sunday to reveal the news, sharing a slideshow of photos with her bub.

“It’s the joy of my life to be your mummy, little one,” Kitty wrote.

“I love you unconditionally 🤍 Happy Mother’s Day to those who celebrate today 🤍.”

While this is Kitty’s first child, Michael has three children from a previous marriage.

Kitty Spencer has welcomed her first child. (Credit: Instagram)

Royal family and fans were delighted with the announcement. 

“The most perfect angel in the world,” wrote Kitty’s sister, Amelia Spencer.

“I didn’t know you became a Mom!! Congratulations❤❤❤❤❤❤,” one follower commented.

“What wonderful news dear Kitty! Congratulations on your precious little one🤍🤍🤍,” another penned.

Kitty is the daughter of Earl Charles Spencer, Princess Diana’s brother. (Credit: Getty)

The delightful news comes almost three years after Kitty tied the knot with her fashion tycoon husband Michael Lewis in Rome.

Kitty and Michael wed after three years of dating. For the ceremony, the now-33-year-old wore five custom dresses from Dolce and Gabbana.

Two of her gowns bore a resemblance to her Aunty Diana, as well as Princess Catherine’s wedding dress.

Kitty wed in 2021 in a gorgeous Dolce and Gabbana dress. (Credit: Instagram | @dolcegabbana)

Kitty and Michael originally announced their engagement in 2019, but had to postpone their wedding due to the COVID pandemic.

While some royals, like Princess Beatrice, opted for reduced wedding ceremonies during lockdown, Princess Diana’s niece and her then-fiancé chose to wait.

They hosted A-list guests – including the likes of singer Pixie Lott and actor Idris Elba – at the five-star Hotel de la Ville in Rome.

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