Little Richard, died on Saturday morning at the age of 87, PEOPLE confirmed Celebrities are coming together to mourn the death of Little Richard, who died on Saturday morning at the age of 87.

After news of Rich's death broke on Sunday ... He was very much my only little brother. A lifelong friend." He also detailed some of Rich's thought processes in the past few years, stating ...

The cause of death was not disclosed ... warrior in the fight for mental illness" and "America's little brother." Over the years, Rich made sporadic appearances on television and even starred ...