Melissa Joan Hart and Mark Wilkerson have had to work "really hard" on their marriage in recent years.
The 48-year-old actress is married to musician Mark Wilkerson and has Mason, 18, Braydon, 16, as well as 12-year-old Tucker with him and explained that "new problems" have arisen as their children have grown and they have had to "come to a place of understanding" with each other.
