Megan Fox is expecting her fourth child, first with fiancé Machine Gun Kelly, and her kids are bursting with excitement!

Megan Fox and Machine Gun Kelly are "very excited" to welcome their first baby together, a source exclusively tells PEOPLE. "They can't stop talking about the baby," the insider says.

Megan Fox, who shares three children with ex Brian Austin Green, announced she is pregnant with her and Machine Gun Kelly’s baby. And the rapper had the best response to the exciting announcement.

Megan Fox is currently expecting baby number 4 with her on-again-off-again boo Machine Gun Kelly, but what do her other kiddos have to say about it? | TAG24

The actor, who shares three children with ex-husband Brian Austin Green, is expecting her first baby with boyfriend Machine Gun Kelly.

Megan Fox recently opened up about being pregnant and how her older kids are reacting to the news. In a recent interview, she was happy to note that her sons are “super excited” about meeting their new sibling.

Megan Fox and Machine Gun Kelly's baby has three doting siblings ready to help the parents-to-be. The Jennifer's Body actress, 38, revealed how her three kids with ex Brian Austin Green - Noah, 14, Bodhi,

The Transformers star's revelation comes weeks after she announced on social media that she is expecting her first child with the Bloody Valentine singer.

Jennifer's Body' star Megan Fox has opened up on her kids' reactions to her and Machine Gun Kelly expecting their first child together.

The actress is expecting a baby next year; her first with partner Machine Gun Kelly. She has three boys, Noah, 12, Bodhi, 10, and Journey, eight, who she shares with ex-husband Brian Austin Green, 51.

"The kids are all super excited for another addition to the family and have promised to help out and pitch in," Fox shares with PEOPLE. Fox's new little one joins her three sons a