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We're starting to wonder if she could have a bun in the oven!

Reese Witherspoon went to a morning yoga class with a girlfriend in Brentwood today, and the actress seemed to be using her bag to try and conceal her tummy region on the way out of the building. Hmm.

Could the Oscar winner be expecting another child with hubby Jim Toth?

Pregnancy rumors began swirling last week when the mother-of-three attended the Dallas Buyer's Club Oscar party sporting a noticeably larger midsection. Granted, it could have been an unflattering dress, but the petite star is usually in such good shape that it was a little suspect.

We guess time will tell!