Julianne Hough celebrates brother Derek's first baby

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Julianne Hough is a proud auntie!

The multi-hyphenate performer made it known how delighted she is that her brother Derek Hough has become a first-time dad.

Derek and his wife, Hayley Erbert Hough, welcomed a baby girl named Everley on December 29, their first child together after tying the knot in 2023.

Derek and Hayley confirmed the happy news via Instagram on January 5, posting the most touching black and white photo of both of their hands holding onto their daughter's teeny-tiny feet.

@hayley.erbert/Instagram

"Everley Capri Hough 🤍," the new parents captioned the post. "Every step of our lives has led us to you. Our hearts have been cracked wide open and our world is forever changed."

Julianne soon took to the comments to share in her brother and sister-in-law's blessing. "Welcome to the world sweet angel Everley 💗," the Dancing With the Stars legend wrote.

Plenty of other famous friends made sure to congratulate Derek and Hayley on their precious little one.

"Ohhhhh my heart!!! Congratulations love you guys!!" wrote Jenna Dewan.

"Congraaaaats, darlings! 💖" said Sophia Bush.

"Congratulations on this beautiful new chapter. ❤️," commented Bindi Irwin.

Other well-wishes flowed in from Maria Menounos, Nick Viall, Jennie Garth, Sarah Hyland and many more.

Derek and Hayley first announced they were expecting back in July via a lovely Instagram video of them embracing while holding sonogram photographs. They wrote at the time, "We can't believe the biggest thing to happen to us could be so small ♥️."

Julianne has clearly been a great support throughout, if her Instagram post following Hayley's baby shower is anything to go by. "Celebrating my beautiful sister in law – mother to be @hayley.erbert and our sweet baby Hough," the dancer captioned a video montage from the event. "Aunt JuJu could not love you more 💛"

Sadly, Derek and Hayley's journey to becoming parents hasn't been a straightforward one. In October, the two marked Pregnancy and Infant Loss Awareness Month by sharing their story of heartbreak.

"There are some things in life that change you forever," they wrote on Instagram at the time. "For us, this is one of those things. A chapter of love, loss, heartbreak, and everything in between. As we are now in October, Pregnancy and Infant Loss Awareness Month, we share this part of our story to honor our baby that never made it earthside. One in four pregnancies end in miscarriage, a silent heartbreak so many families know, and one we unfortunately had to experience. As we share this, know that there's a rainbow not far behind. ♥️🌈."