The Insider.com

Jersey Shore's Vinny Guadagnino and Deena Cortese are dishing on Thursday night's big season finale on MTV -- and the big news of a pregnant and engaged Snooki!

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Snooki Confirms Pregnancy

"At least you knew you weren't the father," jokes Deena to Vinny. "She's been wanting this. … Good for her. … The last time we spoke to her, she said she was excited about it."

Watch the video to see the duo talk about Snooki's explosive wedding idea, "the first threesome in Jersey Shore history" and Vinny's serious anxiety issues.

'Jersey Shore' Spinoff Halted

In addition to Thursday night's big finale, Vinny is launching his first book this spring. Look for Control the Crazy: My Plan to Stop Stressing, Avoid Drama and Maintain Your Inner Cool on sale April 17.