The list of recent celebrity engagements continues to grow, with Reese Witherspoon being the latest to share some good news.  She is engaged to Hollywood agent Jim Toth. Sources say they are both extremely happy but no date has been set yet.  They started dating in January but didn't go public until March.  Before this, Reese was dating Jake Gyllenhaal.  Witherspoon's latest movie is How Do You Know, starring Owen Wilson and Paul Rudd.