Joe Bastianich. His mother is world famous Italian chef Lidia Bastianich.
...he's more like a boil on a butt. The more you watch the show, the more he grows on you. I personally find him hilarious.
Back in the day, before the food network, I used to watch her show on PBS. She's very talented.

) I like the kid with the long hair (Frank?) but didn't really get to see most of the others. Time will tell!