Pop star Jessica Simpson says she was jealous of Duchess Kate's pregnancy.
The 33-year-old singer, who gave birth to her second child in June, said Kate was glowing throughout her pregnancy, reported Us magazine.
"Kate Middleton was glowing throughout her pregnancy. A lot of pregnant moms were looking at her like, 'How do you do that?!'"
"I am definitely one of those pregnant women who just gains a lot of weight. I have my curves and I just gain weight. I can't help it. It's been six weeks since I've had my baby now, and I feel great. It's okay to gain weight, and it will always come off," Simpson said.
The Fashion Star mentor said she also empathised with what first-time mother Kim Kardashian, 32, was going through when the media criticised the reality star's weight gain.
"I felt for Kim -- I knew exactly what she was going through. I send a lot of love her way, and I know she'll come back with a bang. I will never understand why people give pregnant women such a hard time. We are creating a human life: I think we get every excuse in the world to eat a doughnut!" she said.