Jennifer Hudson says she's never felt pressure to shed her curves for her Hollywood career.

"For the most part, I've been asked to stay the same [size] -- 'This is your image, this is who you are, you should stay here,' which is fine with me," Hudson, 28, tells the Associated Press.

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Continues the Oscar and Grammy winner, who was named a Weight Watchers spokeswoman after slimming down on the diet plan, "Again, I'm just as comfortable now as I was however many pounds ago, however many sizes ago.

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Hudson's trainer, Harley Pasternak, leads her through 55-minute, lunge-filled workouts five days a week.

"Her middle, thighs and butt are more toned than ever," he tells Us. "She's excited about her new body."