Celebrity Parents Melissa Joan Hart attends Course of Nature release party By Staff Author Published on February 7, 2008 09:39 AM Share Tweet Pin Email Actress Melissa Joan Hart, 31, attends the release party for her husband Mark Wilkerson’s band, Course of Nature, at the Key Club in Hollywood, CA, on Wednesday, February 6th. Mark and Melissa expect their second child in just four more weeks — her last pregnancy column, as well as a CBB photoshoot, will be posted next week! The couple’s son Mason Walter is 2. More photos available at Daily Stab. Photos by Startraks.