"Thank You everyone!! Sorry about that wait but glad everyone's happy!!" he wrote on Wednesday afternoon, referencing the weeks of speculation about their bundle of joy.
"Nicole and I are real excited!! Our baby is going to be #ShortnTan."
LaValle, who began dating the Jersey Shore star a year and a half ago, also acknowledged the backlash he and his fiancée are facing.
"All u jealous, disrespectful haters out there, u see what u wana see on TV!" LaValle tweeted. "My fiancé and I n JR are going to be so happy! #youllgeturs"
One person who's definitely not in that category? Snooki's cast mate Pauly D, who tweeted his enthusiastic congratulations early Wednesday: "Congrats To My Girl @snooki So Happy For Her And Jionni!!" he wrote. " I Better Be The Godfather :) #UncleDJPaulyD"
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