In our “Who Knew?” category of the day, “Real Housewives of New Jersey” star Melissa Gorga has celebrity connections outside the world of reality series.

It turns out Gorga is related to none other than Ralph Macchio, aka the original “Karate Kid” and star of “My Cousin Vinny.” Gorga tweeted the news after fans submitted questions to Bravo’s Andy Cohen for Macchio’s upcoming appearance on “Watch What Happens Live!” on Thursday.

According to US magazine, Macchio has had multiple TV appearances on series such as “Happily Divorced” and “Psych” in recent years and he recently competed in season 12 of “Dancing with the Stars.”