Going green! Several celebrity babies sported festive outfits in celebration of St. Patrick’s Day on Sunday, March 17, rocking everything from shamrock headbands to leprechaun onesies.

Jersey Shore: Family Vacation stars really went all out this year, dressing their little ones in adorable green looks. Deena Nicole Cortese, who welcomed her son, Christopher, in January with her husband, Chris Buckner, even had a mini photo shot with her baby boy.

Not only did the reality star, 32, dress Christopher up in a “Too Cute” green tee and striped pants, but she added a matching beanie — which he hated. After posting a few solo pics of her son, the new mom donned a green top of her own for a sweet mother-son shot.

Before closing out the holiday, Cortese uploaded a photo of her baby boy sleeping. “Drank 1 too many bottles,” she joked in the caption.

Her costar, Nicole “Snooki” Polizzi, dressed her 4-year-old daughter, Giovanna, up a few days before the holiday. The little one wore a green long-sleeve that read, “Kiss me, I’m cute,” complete with rainbows, shamrocks and leprechaun hats, to school on Friday, March 15. She paired the top with black pants and pastel pink sneakers.

Polizzi, 31, posted a photo to Giovanna’s Instagram account, writing, “Mommy & Daddy’s lucky charm!”

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Jersey Shore favorites weren’t the only reality stars to bust out the green outfits on St. Patty’s Day. Kylie Jenner and Khloé Kardashian also dressed Stormi and True in timely outfits.

Take a look at the gallery below to see more adorable looks from Kate Hudson, Andy Cohen and more celebrity parents.

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