Former "Jersey Shore" star Jenni "JWoww" Farley took to her twitter page on Christmas Day to announce that she and fiance Roger Mathews are expecting their first child next summer.

The reality star shared a photo of an ultrasound of the baby growing inside her on the couple's Christmas Card, which she posted on her website Wednesday with a short message confirming the news.

"Merry Christmas from within!" she wrote. "Roger and I couldn't have asked for a better Christmas gift this year! 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! Thank you for all your love and support and for being there for us throughout the years! We are extremely happy and cannot wait for our bundle of joy to arrive!"

JWoww's BFF and Snooki & JWoww co-star Nicole "Snooki" Polizzi, who gave birth to her first child, son Lorenzo, on August 26, 2012, shared her elation over the news on Twitter.

"IM SO EXCITED MY BEST @JENNIWOWW IS PREGNANT! Finally we can be MOMS together. love you boo! I got you," Snooki wrote.

JWoww & Roger's Christmas Cards, which they sent out to friends and family, read: "We couldn't have wished for a better gift this Christmas!

"Happy holidays from our growing family to yours! Love, Jenni, Roger, and arriving July 2014 Baby Mathews."