"Yes, I am three months pregnant. Gabriel and I are beyond excited, and I've waited a long time for this moment in my life," The Sun quoted Berry, as telling Access Hollywood.
"Now, the next seven months will be the longest of my life!" she added.
The 41-year-old actress has been very honest in recent years about her desire to start a family.
"My sights are set on a different chapter in my life, which is motherhood. That's the goal I have very clearly set for myself," she told Parade in an interview earlier this year.
In April, she told Access Hollywood she had reached a point where she was "really, really ready" to procreate.
More than going to a new movie set...I need something even more profound than that, and that's family. And that's children. I need that like the air to breathe these days, and I'm ready," Berry said.
Berry and Aubry first met in November 2005 while shooting a Versace ad in Los Angeles and have been going strong since.