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.

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

Megan Fox has "learned all the tricks" of pregnancy now that she is expecting baby number four. The 38-year-old actress - who has sons Noah, 12, Bodhi, 10, and Journey, eight, with ex-husband Brian Austin Green - recently announced she is pregnant with her and fiance Machine Gun Kelly's first child and explained that she is just trying to do everything she can to make sure she is both "physically and mentally" well.

The “Jennifer’s Body” actress is a proud mom to sons Noah, 12, Bodhi, 10, and Journey, 8, whom she shares with ex-husband Brian Austin Green, 51.

Pregnant Megan Fox shares her kids' reactions to learning that she's expecting her fourth baby, her first with fiancé Machine Gun Kelly in an exclusive interview with PEOPLE.

While most people know Megan Fox as a famous sex symbol from her role as Mikaela Banes in the 2007 live-action Transformers movie, there's more to the Hollywood star than meets the eye. Not only was she named one of the most beautiful women in the world for the better part of two decades,

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

In an interview with PEOPLE, Megan Fox opened up about how her children reacted to the news of her pregnancy, and got candid about her "maternity style."

Adding a fourth (or fifth, or sixth) baby isn’t just “one more.” It changes your family dynamics, stretches your time, and shifts your perspective on motherhood in ways you might not expect.

Megan Fox is getting ready to welcome a new member into her family. The actress recently revealed she was pregnant with her first child with Machine Gun Kelly. Fox, who already has three kids with her ex-husband Brian Austin Green,