Today Fox announced the celebrities competing on the Masterchef Celebrity Family Showdown. See below for details. It’s a family affair when stars cook for a cause on the all-new MASTERCHEF CELEBRITY FAMILY SHOWDOWN, airing in a two-night special, Wednesday, May 15 and Wednesday, May 22 (8:00-9:00 PM ET/PT), on FOX. Multi-Michelin star Chef Gordon Ramsay, award-winning …