Kathryn Crosby, the actor, singer and widow of Bing Crosby, died Friday evening of natural causes at her home in Hillsborough, Calif. She was 90.

A representative for the Crosby family announced the news.

Crosby starred in more than 20 films over the course of her career, including “The Wild Party” (1956), “Operation Mad Ball” (1957), “The 7th Voyage of Sinbad” (1958) and “Anatomy of a Murder” (1959). She typically performed under the stage names Kathryn Grant and Kathryn Grandstaff.