Lines into the sanctuary of Greater Grace Temple started to form more than an hour before Monday's funeral service.
Former Temptations singer Dennis Edwards called Stubbs "the greatest lead singer ever."
Martha Reeves, a Detroit city councilwoman and former lead singer of Martha and the Vandellas, called Stubbs "my Pavarotti."
Stubbs died in his sleep at his Detroit home on October 17. He was 72.