Miller has a very public affair with Jude Law and in the recent past has been linked to rapper P. Diddy and actor Rhys Ifans. Miller lashed out at people spreading tales about her personal life, ananova.com reports.
She said: "I always hear things about me and different men. Is my nickname 'Sleeparound Sienna'? I can assure you I'm not. And Rhys is crashing on my couch - we're not sleeping together."