Too Fat to Model?

updated 03/09/2009 AT 01:00 AM EDT

originally published 03/09/2009 AT 01:00 AM EDT

HEIDI KLUM
Though German designer Wolfgang Joop called her "too heavy" for the runway last month, Klum, 35, responded that her concern is to stay "fit" but "not too thin." Adds hubby Seal: "She's sensational!"

KAROLINA KURKOVA
The Brazilian media slammed her body after a June fashion show in São Paulo, making her a blog target, but Kurkova, 25, is happy with her size: "You can't pretend you're going to be a stick forever," she has told PEOPLE.

GEMMA WARD
Last month Aussie tabs dubbed her a "Roll Model" due to unflattering beach shots. But designers would like to see Ward, 21, who has been absent from runways since the death of her ex Heath Ledger, return: "I would put her in my show," says Zac Posen, "in about 8 seconds!"

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