Chris Kelly of Kriss Kross fame sadly passed away yesterday after being taken to an Atlanta hospital. He was 34 years old.

He was taken to the Atlanta Medical Center after being found unresponsive at his home. An autopsy is expected to take place today to determine the cause of death.

Kris Kross reunited earlier this year at the 20th anniversary party for Dupri's So So Def label. Listen to their most successful track, 'Jump':

Update: The mother of Chris Kelly has released this statement:

It is with deep sadness that we announce that our beloved Chris Kelly has passed away on May 1. To millions of fans worldwide, he was the trendsetting, backwards pants-wearing one-half of Kris Kross who loved making music. But to us, he was just Chris - the kind, generous and fun-loving life of the party. Though he was only with us a short time, we feel blessed to have been able to share some incredible moments with him. His legacy will live on through his music, and we will forever love him.