Mark-Paul Gosselaar and Cotriona McGinn

Mark-Paul Gosselaar and his second wife, advertising executive Catriona McGinn, are expecing their first child together. Gosselaar already has two children from his previous 14-year marriage to Lisa Ann Russell: 6-year-old daughter Ava Lorenn and 9-year-old son Michael Charles. "We are all really excited for the arrival of our new addition. We've always wanted a big family," Gosselaar told People.

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