One diner revealed to Life and Style Weekly magazine: “She ordered Caribbean chicken salad but she only ate the chicken in it. She left everything else.�?

A few days later, homemade gumbo was served on the film set but Jessica passed.

A source on set revealed: “Luke said, ‘This is the best thing ever’. He had his whole face in it! But Jessica didn't touch it.

“She’s not really eating while she’s working because she’s trying to stay slim.�?

In November, Tina Fey revealed that Paris Hilton slammed Jessica as a fatty

"Yeah, she wanted to make fun of all the girls she hates. She was like "I want to play Jessica Simpson, I hate her." She would come in the room and say "you should do a show about Jessica Simpson because she's fat."