When Kelsey and Caleb Grimm sat down at their 5-year-old's preschool graduation, they knew that the kids would likely sing a song and the teachers would probably talk about what the students learned ...

"My husband doesn't want it to be too cutesy," the Grimm star tells PEOPLE Claire Coffee has already had a taste of pregnancy: Her Grimm character, Adalind Schade, welcomed a daughter in season 3.