Mark-Paul Gosselaar may have turned 40 earlier this year, but he'll always be teen heartthrob Zack Morris to us. For three adorable kids, the "Franklin & Bash" star goes by another name: Dad! Wonderwall caught up with the "Saved by the Bell" alum at the Safe Kids Day celebration in Los Angeles, where he dished on his marriage to advertising executive Catriona McGinn, preparing his two older children from a previous relationship for the addition of baby brother Dekker and more! Keep reading for the highlights.
Mark-Paul Gosselaar on how he prepared his older children, Ava and Michael, for the addition of their baby brother to the family:
"We involved them every step of the way. We let them know what was going on. They were there when the baby was delivered. From day one, they were with us. … They hate each other, but they love [Dekker] and they fight over who gets his attention."