According to the Spice Girls Official Calendar, Melanie C celebrates her birthday on two completely different dates. The misprinted calendars list January 12th, and September 13th as Melanie's birthdays. The proper date for those of you who catch on to this error, is the first date listed January 12th. Unless she had some kind of religious experience and was born again on the 13th of September. My guess however is not likely.