Cameron Diaz has babies on the brain!

According to Ok! Magazine, the 43-year-old actress is undergoing IVF treatments to have a baby with her husband, Benji Madden, 36.

“Having a baby is all she talks about!” a source told the entertainment news outlet.

“Cameron is very open-minded — she even tired bathing in Aboriginal waters in Australia to boost fertility, which she heard about from Nicole Kidman. Unfortunately, it didn’t work, so now she’s turned to IVF," the insider added.

RELATED: "I Love Kids" — Benji Madden Hints He Wants to Have a Baby with Wife Cameron Diaz

The Annie star and the Good Charlotte rocker married at her Beverly Hills home on Jan. 5, 2015 after a 17-day engagement. They dated for just eight months before tying the knot.

Click through the gallery below to see 14 photos of Benji and Cameron as a couple!