Jennifer 'Jenni' Farley, Roger Mathews

Jenni "J-Woww" Farley gave her friends and family a Christmas surprise by revealing she's pregnant.

"Santa brought Roger and I the best gift of all...," Farley tweeted with alink to her  announcement. On her website, the Jersey Shore star posted a card that read, "Happy Holidays from our growing family to yours! Love, Jenni, Roger and arriving July, 2014, Baby Mathews" alongside a picture of their sonogram.

Check out the best performances of the year

Farley, 27, got engaged to boyfriend Roger in September 2012 after meeting, of course, at the Jersey Shore while filming Season 1.

Farley's Snooki & JWoww co-star Nicole Polizzi shared the baby news on Twitter as well. "IM SO EXCITED MY BEST FRIEND@JENNIWOWW IS PREGNANT! Finally we can be MOMS together love you boo! " she wrote. Both Farley's and Polizzi's wedding planning has been documented on this season of their show.