The former couple welcomed their first baby together, a girl, earlier this week Megan Fox is focused on co-parenting following the arrival of her baby girl. A source close to the actress tells PEOPLE that Fox,

Megan Fox and Machine Gun Kelly have welcomed their baby girl to the world, according to a post shred by Machine Gun Kelly. Machine Gun Kelly shared the news in a sweet Instagram post on Thursday, which included a black-and-white video of his daughter's small hands. Fox has not yet commented publicly on the birth.

Megan Fox gave birth to a baby girl on Thursday, her first child with musician Machine Gun Kelly. “She’s finally here!! Our little celestial seed,” Kelly captioned a black-and-white Instagram video of a small hand gripping his tattooed index finger.