People.com Celebrity Parents Melissa Joan Hart and Mason out on Tuesday By Staff Author Published on January 9, 2008 01:53 PM Share Tweet Pin Email Actress Melissa Joan Hart, 31, took son Mason Walter, 2 on Friday, for lunch and a haircut in Studio City, CA on Tuesday. Later in the day, she was spotted in Beverly Hills for a business meeting. Melissa and rocker hubby Mark Wilkerson expect their second child the first week of March. They know the sex but aren’t sharing. View the full-size image at Us Weekly.