Mambo No. 5 (A Little Bit Of...) – Lou Bega
If you were born on Thursday 14th October, 1999 then Mambo No. 5 (A Little Bit Of...) by Lou Bega was the #1 song in Australia on your birthday. The song went to number one on September 19th 1999 and stayed at the top of the charts for 8 weeks.