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No wonder Reese Witherspoon has such a big smile on her face, she's going to visit hubby Jim Toth at work!

The Oscar winner couldn't hide her happy face as she headed to her hubby's Santa Monica office on Thursday afternoon, looking casual-chic in jeans and a sweater, paired with a hot-pink and gold cross necklace, and a classic Chanel tote.

Miss Witherspoon may opt out of attending the Academy Awards this year, because she's prepping for a huge press tour with her upcoming flick, This Means War. The sexy spy vs. spy flick, which costars Tom Hardy, Chris Pine and Chelsea Handler, is set to hit theaters Feb. 17.