Reese Witherspoon leaving Easter Sunday church service. Credit: Beverly News

Reese Witherspoon was pretty in pink on Easter Sunday, flaunting her growing baby bump in a bright sleeveless frock while attending church services in Santa Monica, Calif. this weekend.

Stepping out with her children Ava, 12, and Deacon, 8 (dad is ex Ryan Phillippe), Witherspoon, 37, accessorized her Easter dress with a gray shoulder bag and matching heels. See more pics of Witherspoon at church.

A source tells Us Weekly Witherspoon and her CAA agent husband Jim Toth, 41, are elated to be expanding their family.

"Before Jim met Reese, he wasn't sure about having kids," the insider said after Us Weekly broke news of Witherspoon's pregnancy March 21. "Being around her kids has really shown him what it's all about."

Adds a second source: "Settling down with Jim and raising a family is what Reese wanted."