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Nikki Bella and Her Huge Engagement Ring Meet Niece Birdie for the First Time!

She's an aunt! Total Divas star Nikki Bella met her niece for the first time — and made sure to bring her gigantic engagement ring along for the introduction.

Holding onto twin sister Brie Bella's daughter Birdie Joe's tiny hand, the 33-year-old wrestling star promised to look after the newborn baby girl.

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"Oh, my sweet little Birdie… From the moment I first saw you I knew it was unconditional love. I promise to protect and love you forever and ever.," she captioned the Instagram photo, which also showed off her 3-carat diamond ring from fiancé John Cena. The couple famously got engaged at WrestleMania 33 last month.

She also congratulated Brie and her husband Daniel Bryan (real name: Bryan Danielson) on their tiny bundle of joy.

"And my Brizee, you are the strongest, bravest person I know," she continued. "So happy God made us twins. Don't know this world without you. And wouldn't ever want to. Goodness, I love you both so much. PS Bryan never left her side, still hasn't, seeing him as a dad is amazing. He's so strong."

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Brie, who welcomed Birdie 10 days after her due date, also gushed about her daughter on social media.

"The greatest feeling in the world!!! Can't even express the love I feel for her," she wrote. "From the moment I saw her I was in love. Thank you all for your love and support. Birdie Joe is her Daddy's mini-me!"

Now, Nikki is focused on her upcoming wedding to her own WWE superstar —including picking out the perfect wedding dress.

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The brunette beauty is envisioning "something that's tight in the waist and shows off the booty," she told E! News. "I definitely have to have some cleavage.”

Congrats to the happy family! For a look at Nikki going makeup-free, check out the gallery below!