'JWoww' Farley is officially a mother!

The 'Jersey Shore' star and fiancé Roger Mathews welcomed a baby girl into the world on Sunday (July 13th), E!News reports.

Farley gave birth to her first child at exactly 12:49 p.m. ET.

"Jenni and Roger are so excited to welcome the newest guidette Meilani Alexandra Mathews to the world weighing seven pounds and 13 ounces," a rep for JWoww told E!News.

Adding, "Meilani and her parents are doing great and are happy and healthy. Meilani is already looking to trade her baby bottle for barbells."

Roger also took to Twitter to announce the exciting news, posting, "She is here! Meilani Alexandra Mathews 7lbs 13 ounces. Words can't describe what looking into your child's eyes can do to you. Im Humbled."

The 27 year-old reality TV star has documented her pregnancy on social media for the past several months, and just days prior to giving birth, she shared a photo of her baby bump on her own blog.

"My last week," the caption read. "It better be!!! Can't wait to meet my baby girl!!"

MTV also released a statement, congratulating Jenni and Roger, which read: "We're fist pumping in celebration of Jenni 'JWoww' Farley and Roger Mathews' new baby girl Meilani Alexandra Mathews. We're so excited for the new parents and to welcome the newest member to the MTV family."

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It wasn't long before a couple of Farley's fellow 'Jersey Shore' alum showed their excitement for her giving birth to a healthy baby daughter.

"I'm so excited for my best friend and so proud of her!" JWoww's BFF Nicole 'Snooki' Polizzi (who is also a mother), also told E! News. "She's going to be an amazing mother & I can't wait to be her daughters god mommy!"

More: JWoww Reveals She Thought She Had Miscarried, But Is Ecstatic About This Pregnancy

"I'm super excited and happy for Jenni and Roger," Pauly D added. "I think they will make amazing parents and I can't wait to meet the baby!!"

Congratulations to the happy couple!

Jenni Farley
Jenni and Roger are now parents to a baby daughter