Megan Fox is expecting her fourth baby, her first with fiancé Machine Gun Kelly. Fox is already mom to three sons, while Machine Gun Kelly is dad to one daughter.

Megan Fox is pregnant and expecting her first child with Machine Gun Kelly. The 38-year-old Transformers actress announced the happy news on Instagram Nov. 11, almost a year after the couple revealed that they had suffered the loss of a pregnancy.

"Nothing is ever really lost. welcome back," Fox wrote while referencing song lyrics from Kelly's "last november," a song about his and Fox's past pregnancy loss.

Megan Fox and Machine Gun Kelly are preparing to welcome a new addition to their family, the actress announced on Monday.

Megan Fox and Machine Gun Kelly's relationship is on a "much better path" since announcing they are expecting their first child together.

Megan Fox's pregnancy has been a blessing for her and fiancé Machine Gun Kelly's relationship. "They are both thrilled and excited to be parents together," a source exclusively tells Us Weekly. "The pregnancy is bringing them closer.