They sold millions of records, wore their clothes backwards and even enjoyed a brief comeback when playing at JD's So So Def 20th earlier this year. Kriss Kross really did make us Jump, Jump.
Sad then to hear of Chris 'Mac Daddy' Kelly's death yesterday at the age of 34 years old. He died in an Atlanta hospital on May 1.
Jermaine Dupri, who discovered the pair and was the creative force behind their multi-platinum success dedicated the above to Chris.
Here's some of our favourite pictures of the boys back in the day.