'Jersey Shore' Alum Jenni 'JWoww' Farley Pregnant

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Jenni "JWoww" Farley and Roger Mathews

The "Snooki & JWoww" star announced that she's expecting her first child with fiance Roger Mathews.

Jenni "JWoww" Farley is expecting her first child with fiance Roger Mathews, she announced on Thursday.

"Merry Christmas from within!" she wrote on her website. "Roger and I couldn’t have asked for a better Christmas gift this year!"

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She continued, "We wanted to share this exciting news with you all first because you have been a part of our lives these past few years and seen the love between Roger and me develop and blossom. We are so excited to share this new chapter of our lives with you as we become parents and create more memories with a new addition to our family!"

Farley signed the note with, "Love, Jenni, Roger and Baby Mathews," and uploaded a copy of a holiday greeting centered on a sonogram.

The card reads that the baby's due date is July 2014. Mathews also shared the news on Twitter.

Farley's Snooki & JWoww co-star Nicole Polizzi also tweeted her best wishes:

JWoww's Jersey Shore family also sent their congratulations:

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