There’s no doubt about it: babies change things. Your sleep quality, your daily routine, even your relationships with other people including (especially?) your partner. How can they not? They are tiny,

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.

Parenthood isn’t a new role for either star. MGK, for his part, is father to 15-year-old daughter Casie, whom he shares with ex Emma Cannon. Meanwhile, Fox shares sons Noah, 11, Bodhi, 9, and Journey, 7, with ex-husband Brian Austin Green. (Green, for his part, has moved on with fiancée Sharna Burgess, with whom he shares 2-year-old son Zane.)