KRISTY'S MOM IS GETTING MARRIED, AND KRISTY IS GOING TO BE A BRIDESMAID! THE ONLY PROBLEM? FOURTEEN KIDS ARE COMING TO TOWN FOR THE WEDDING. KRISTY, CLAUDIA, MARY ANNE, STACEY, DAWN, AND MALLORY THINK THEY CAN HANDLE IT, BUT THAT'S BEFORE THEY SPEND A WEEK CHANGING DIAPERS...