By Breaking Celebrity News Staff

Looks like Ava and Deacon will be getting a new playmate soon!

Their mom, A-list Oscar-winner Reese Witherspoon, is expecting her third child, according to an US report.

"Reese is right around 12 weeks," a source told the magazine, adding she’s "not planning to announce it" publicly.

Witherspoon was photographed Tuesday in Santa Monica, California while out to lunch with friends, looking like she could be hiding a baby bump.

The Legally Blonde star, who turns 36 Thursday, married the child’s father, CAA talent agent Jim Toth, last March 26 at her $7 mill