Reese Witherspoon, the Nashville native who won an Oscar for portraying June Carter in Walk the Line, is engaged to Jim Toth, an agent for Creative Artists Agency. The engagement was confirmed on Tuesday (Dec. 28). The couple began dating in January. Her credits also include Four Christmases, the 2008 film co-starring Tim McGraw and Dwight Yoakam, as well as Legally Blonde and Sweet Home Alabama. Her current film is How Do You Know. Witherspoon presented trophies at the CMA Awards in 2005 and 2008.