The pair broke up in October after seven years of marriage. They have two children, Ava Elizabeth, 7, and three-year-old Deacon.
Following confirmation of the split, Witherspoon cancelled a string of public engagements to spend time with her family, including an appearance at designer Carolina Herrera's new Los Angeles boutique last month.
However, the Walk the Line star insists she's now ready to face media and fans.
She says, "I'm doing fine. I'm getting out a little more now. You'll be seeing more of me."
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