7, 13 become lucky numbers for 'Jersey Shore' star JWoww

Jenni "JWoww" Farley and her husband, Roger Mathews, welcomed their baby girl to the word on Sunday, 7/13.

And that's exactly how much Meilani Alexandra Mathews weighed when she arrived: 7 pounds, 13 ounces.

Looks like the Jersey Shore star mom's "newest guidette" was born with some lucky numbers.