MGK is already a dad to 15-year-old daughter Casie. He had been silent on Megan’s pregnancy reveal until he posted on Monday. However, his acknowledgment of Megan’s pregnancy accompanied an announcement about some intriguing plans for his upcoming album.

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'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.