09:25 AM EDT 10/20/2013
Originally posted 10/19/2013 03:00PM
It looks as if Reese Witherspoon is ready for the journey of her life.
The actress posted a pic of herself on WhoSay on Friday that showed her weighted down with a heavy backpack on the set of her new movie, Wild.
"So excited to play @cherylstrayed in a movie!" she said.
Top 10 News Categories
The most buzzed about stars this minute!
Treat Yourself! 4 Preview Issues
More On PEOPLE.com
Got a News Tip?
Send it to our People.com editors!