Sienna Miller is Engaged! mairita-January 3, 2008-Celebrities-0 Comments Sienna Miller, as the actress recently celebrated her 26th birthday by reportedly getting engaged to Welsh boyfriend Rhys Ifans….. Post navigation Prev post The New Years resolutions of the starsNext post Jenna Jameson shopping at The Grove in Los Angeles Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.