Sorry, but why was Kate Winslet associated with the film "Sirens"? Kate never appeared in that movie. Elle Machpherson did, and gained 20 lbs. for her role.
I am a Renee Z. aficionado and she has said the following re her Briget Jones weight gain: "Playing Briget and gaining weight felt different. Not better or worse, just different".
As a person who has, in her adult life, weighed 80 lbs. and 180 lbs. I feel pressure to be thin every day. I can't imagine the scrunity most stars are under. I recall reading three seperate interviews with three different actresses who've battled anorexia and each one said that as their disorder worsended, their managers' and directors' praises for their respective bodies increased.
Some actresses, like Portia de Rossi for instance, have been far too thin during certain periods, but take measures to become healthy and subsequently look fabulous (still thin, yes, but not emaciated). Other actresses, (Kirstie Alley and Delta Burke come to mind) have gained weight and though they still do TV work now and then, their film roles have all but diminished. I, too, think Kate Winslet is beautiful and sexy (I think many curvy starlets are goregeous) but it seems Hollywood, and several men and women I know, do not share my views.
And because I still have one foot left on the soap box, I'd like to say that Cathe and crew, Madonna, Jennifer Garner, Angela Basset, Vicki Pratt, and other muscular and fit celebrities, are about the hottest thing out there (Jude Law and Johnny Depp notwithstanding).