Rainbow Aurora
is all grown up … well she’s getting there!

Holly Madison and hubby Pasquale Rotella are celebrating their adorable baby girl’s first birthday.

The doting parents both shared pics on Instagram on Wednesday to express the love and joy that little Rainbow has brought into their lives.

The former "Girls Next Door" star shared a super cute photo of her blue-eyed bundle of joy, writing, "I can't believe my little girl is one today!! I'm emotional." 

Rainbow's doting daddy posted a precious father-daughter pic with the caption, "One year ago today, I received a gift that changed my life in ways I never thought possible. The lessons I've learned through her about love, family, and commitment reverberate through everything I do, and I wake up every day with the motivation to make the world a better place for her to live in. Every time I look in her big blue eyes, I'm reminded that I truly am the luckiest guy in the world. Happy 1st Birthday, Rainbow!!! #loveofmylife #blessed #rainbowaurorarotella."

So sweet! 

It looks like Rainbow’s first birthday is off to a great start, and we can’t wait to see more sweet snapshots of this blue-eyed baby.

Happy Birthday, Rainbow!

Click "Launch Gallery" above to see more cute celebrity kids.

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