Reese Witherspoon Discovers Hidden Treasures

Reese Witherspoon spends the day shopping with her mom, Betty Reese, at a local bookstore in Los Angeles on Saturday (January 31).

The 32-year-old Four Christmases actress then headed over to Hidden Treasures thrift shop on Santa Monica Boulevard.

Reese recently lent her voice to Monsters vs. Aliens, the upcoming computer-animated 3-D feature film from DreamWorks. The film opens March 27 and also features Paul Rudd, Hugh Laurie, Seth Rogen, Will Arnett, Rainn Wilson, Stephen Colbert, Kiefer Sutherland and Jimmy Kimmel.

Watch the below footage, which aired during the Super Bowl! For more info, visit MonstersVSAliens.com.