Hi, I'm Julia's husband - I see she hasn't answered yet, but she definitely is a real person with those accounts under her maiden name (Baker)... let's see:

https://x.com/MissJuliaBaker
https://www.facebook.com/missjuliabaker
https://www.instagram.com/missjuliabaker1/

I hope this helps... I definitely remember eating this pasta with meatballs about a week ago!