A longtime “American Idol” supervisor and her musician husband were allegedly gunned down in their California home by a burglar – who has been arrested over the shocking double murder,

An investigation is ongoing after a man and woman were found dead with gunshot wounds at a residence in Encino, authorities said. The Los Angeles Police Department confirmed early Tuesday morning that the two victims were found when officers responded to a home on the 4700 block of White Oak Avenue on Monday.

In her illustrious career, she won multiple Guild of Music Supervisors Awards for her exceptional work on the show.