- Gordon Ramsay (Self - Judge)
- Joe Bastianich (Self - Judge)
- Tiffany Derry (Self - Judge)
Episode: Happy Birthday MasterChef
Air Date: 2015-07-01
Each team will prepare a two-course menu for the 100th episode celebration, during which VIP guests will dine on oyster and caviar appetizers and a duck breast entrée, followed by a special surprise dish by judge Christina Tosi. The losing team will face the next pressure test, in which contestants must create a three-layer birthday cake.