Johnny Depp’s is “totally devastated”

Jeff Beck, Johnny Depp’s longtime friend and partner died.

The English guitarist died on Tuesday at the age of 78, and a source tells PEOPLE that the Pirates of the Caribbean actor, 59, was “at Jeff’s bedside” with “many other rock icons” before his death.

According to the informant, they were quite close, and their friendship grew even stronger during their summer joint tour. “The sickness developed extremely quickly, and everything deteriorated quickly in the last couple of weeks.”