import re


def camel_case_to_title_case(camel_case_string):
    """
    Turn Camel Case string into Title Case string in which first characters of
    all the words are capitalized.
    :param camel_case_string: Camel Case string
    :return: Title Case string
    """
    if not isinstance(camel_case_string, str):
        return None
    title_case = re.sub('([^-])([A-Z][a-z-]+)', r'\1 \2', camel_case_string)\
        .title()
    return title_case