[tiImage width=”300″ height=”400″ url=”http://img2.timeinc.net/instyle/images/2010/wrn/122910-reese-witherspoon-300.jpg” credit=”Flynet” align=”right” border=”1″ alt=””]Congrats are in order for Reese Witherspoon, who announced her engagement to Hollywood agent Jim Toth today. Toth, her boyfriend of one year, proposed with a 4-carat diamond ring, People reports. The pair join a growing group of celebrities to become engaged this fall, so there’s bound to be quite a few beautiful brides come 2011! Click through the gallery to see more recently engaged star couples. Plus: Tell us who you’re most excited to see walk down the aisle in the comments.