Megan Fox was 'surprised to hear' that ex-husband Brian Austin Green is expecting a child with Sharna Burgess

Megan Fox was "surprised to hear" that her ex-husband Brian Austin Green is expecting a child with girlfriend Sharna Burgess.

The news about the 35-year-old performer was reported by Us Weekly, with a source telling the outlet that she was caught off guard by the pregnancy announcement.

The insider began by noting that Fox was caught completely off guard by the happy couple's announcement about their future. The insider noted that "Megan was surprised to hear the news about Brian and Sharna expecting."

The source went on to express that the idea that the happy couple would have been trying for a baby had not "even crossed her mind."

The insider made a point of stating that the Transformers actress had not been concerned about Green's activities, stating: "Megan also doesn't put much thought into what her ex is up to," and mainly cares about how her ex treats their children.

"She cares the most about Brian being a father to their boys and being there for them," they said.