Julia Roberts didn't know what she was talking about when she said that Aishwarya Rai is the most beautiful actress in the world today. She probably hadn't seen Zhang Ziyi then! If you thought that she looked stunning in Crouching Tiger, Hidden Dragon or Hero, go and see House of Flying Daggers. She is a goddess! (and doesn't act too badly either, refer to my choices for best actress oscars in the previous post).
Have a look at these stills from House of Flying Daggers. Courtesy Sony Pictures Classics.
Or.. just go and see the trailer here. Or... better still... go and see the movie!! :)