 RTE.ie | Sienna Miller and Rhys Ifans confirm they are a couple South Asian Women's Forum - Sienna Miller and Rhys Ifans confirm they are a couple. Seen here is Sienna Miller at the taping of 'The Late Show With David Letterman', Ed Sullivan Theatre / New York City, NY 7/10/2007. What?s on between Sienna Miller and Rhys Ifans? Sienna Miller & Rhys Ifans spotted kissing |