Melanie Chisholm Birthday. Melanie Chisholm, a.k.a. Mel C, a.k.a. Sporty Spice, is a singer, formerly of the vocal group the Spice Girls. Melanie Chisholm is 44 years old and was born in Whiston England. There are many famous birthdays in January. You can use the drop down menus above to choose a celebrity birthday by name or celebrity birthday by month.