A post on Twitter by singer Miley Cyrus, who is engaged to actor Liam Hemswroth, has left people guessing about her wedding date."Super lazy Sunday! Can't wait for next week! It'll be filled with happiness!" Cyrus posted Sunday, reports contactmusic.com.Her post has made fans wonder if she was getting married next weekend.The couple have been dating since 2009. Hemsworth proposed May 31 with a 3.5 carat ring.