Jenni "Jwoww" Farley is expecting a little guidette!

The "Jersey Shore" star just revealed she's pregnant with a baby girl, telling Us Weekly that she actually thought she'd have a boy.

"I pictured a boy this whole time, so when I saw 'girl' on the paperwork, I was like, 'No way!' But deep down I think I knew," she tells the mag. 

"She will be my best friend and daddy's little girl," the expecting star says. "I can't wait for everything from her first steps to her first dance class."

The baby will be the first child for Jwoww and fiance Roger Mathews.

"Lorenzo is gonna have a BFF, and I couldn't be happier," Jenni adds, referring to Snooki's adorable son.

Speaking of Snooks, she also tweeted about the good news this morning. 

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