. >> jessica alba, fergie, cameron diaz, britney spears, mini driver. >> and in is a own over a manufacturea handbag, and cara kurtz says that seeing a hollywood clutch your bag is far more than any advertising. >> any time we got spike not only ten new stores, but sell 55 to 100 bags on the internet within 48 hours. >> while kara has bagged an impressive lineup of stars to wear her bags, what is more impressive the p.r. budget she used to get the press. >> my public relations budget when i started was zero. no money. there was no budget. it was me, which i didn't pay myself. so there was no money. >> well, that is not exactly true. at first, kara spent thousands making a costly mistake which taught her that she was better off not spending any money. >> wit was a $3,000 lesson. i don't want to have any more lessons that cost me $3,000. >> the mistake was hiring a big time p.r. firm which promised to use the clout to contact celebrities like demi moore and give them bags each with a handwritten note from kara. >> i would write dear demi moore, and i would give away all of the bags and we wai

. >> reporter: the film was birthed last summer with an a-list cast that includes cameron diaz and jennifercritics treated it like an ugly stepchild. and what did you think? >> i thought it was fun. it was fun. we were there for some of the filming. clearly there were a lot of beautiful women and a lot of very thin pregnant women which definitely is hollywood's interpretation >> reporter: but while the movie was pure fiction the book deals in fact down to some pretty serious medical advice. >> you know, there are people who have said you're not a doctor >> i'm not reporter: and you're dispensing medical advice >> that's true. yet the book is so carefully checked that it's used in a lot of hospitals to train interns. >> reporter: you ran it by doctors everything in that book >> thoroughly, fact checked if you don't have an older version. i can't vouch for it >> reporter: things change things change well, not long now no reporter: now after helping millions through their pregnancies there's only one mom on heidi murkoff's mind. >> you you you don't need soap. good to know reporter: for emma,

cualquiera nos queda bien ,pero no es cierto, verdad >>> totalmente cierto, el mejor ejemplo es cameron díaznesto laguardia estuvo acá . >>> sí. >>> tu papá. >>> y tremendo, por su culpa olga está como está . >>> los papás algunas veces tienen la culpa de los errores de los hijos . >>> claro ,es un poco el mensaje también la importancia de la madre y también los diferentes tipos de relación en la familia. >>> tienes un gran elenco, victoria ruffo. >>> que la adoro. >>> maribel, ernesto la guardia, mané de la parra. >>> sí, un gran elenco, mira, se ve que la pasas mal (risas). >>> mira, elencazo, la verdad, qué se siente trabajar con ellos, ¿te deja experiencias, no? >>> sí, la verdad que ha sido una sorpresa maravillosa, porque es mi primer proyecto dentro de televisa, nos hemos llevado muy bien, con un grupo muy padre, con química y respeto, había pocos compañeros que se dieron a conocer desde antes, josé maría torres, alejandro nones. >>> victoria, maribel. >>> claro. >>> aprendes mucho, te diviertes, también el güero castro es un gran productor. >>> hay otros proyectos. >>> claro, me habí