The 24-year-old, who announced in March that she is expecting her first child with fiancé Jionni LaValle, gave fans an update on her pregnancy via Instagram.
One picture featuring her and Jionni posing together is captioned "My family", while she labelled another of her partner cosying up to their unborn son as "my two men cuddling already".
Polizzi's most recent snap shows her bump covered by a tight garment with a snakeskin design and is accompanied by the caption "I'm going to burst".
The reality star has also revealed on Twitter that she is experiencing Braxton Hicks contractions, or false labour, declaring that the experience is "killing" her.
Polizzi recently claimed that falling pregnant has made her more responsible.