The “New Girl” alum gave birth to her and MGK’s first child together in March, four months after the on-again, off-again couple’s breakup.

Months after welcoming a child with Megan Fox, Machine Gun Kelly has finally revealed their baby girl’s name. In an adorable Instagram post shared Tuesday, Kelly showed off his musical talents while playing the ukulele for their little one,

A source tells PEOPLE why Megan Fox and Machine Gun Kelly's baby daughter's name "really felt right" to them after sharing her full name on Tuesday, June 17. The former couple welcomed their little one in March.