Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
beauty [ˈbjuːtɪ] n красота́#; (woman) краса́вица
the beauty of it is that ... (fig) пре́лесть f э́того в том, что ...
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.