According to Us Weekly and People, Witherspoon is about 12 weeks along after the couple has been trying to have a child.
“The timing is right,” a source revealed to Us. “She’s so happy!”
“They are both thrilled,” a friend told People.
“Jim and Reese are looking forward to having a bigger family at this point in life. They can take the time to enjoy the next stage and make sure the transition for all is easy and joyful.”
She already has two children, Ava, 12, and Deacon, 8, with ex-husband Ryan Phillippe.
After the failure of her first marriage, the actress has found love in the arms of CAA agent Jim Toth and the couple tied the knot early last year.