Mark-Paul Gosselaar and his wife Catriona McGinn are expecting their first child together. The actor's rep released a statement telling the world the good news. Although this is the first child for the happy couple this will be the third child for Mark-Paul. His two other children, Michael and Ava, are from his previous marriage to ex-wife Lisa Ann Russel. The 39-year old helped spread the good news saying that the kids are also looking forward to having a new sibling and are asking a bunch of funny questions. We can only imagine what some of those are!