LOS ANGELES (AP) — Helen Reddy, who shot to stardom in the 1970s with her rousing feminist anthem “I Am Woman” and recorded a string of other hits, has died. She was 78.

Reddy’s children Traci and Jordan announced that the actor-singer died Tuesday in Los Angeles. “She was a wonderful Mother, Grandmother and a truly formidable woman,” they said in a statement. “Our hearts are broken. But we take comfort in the knowledge that her voice will live on forever.”

Reddy’s 1971 version of “I Don’t Know How to Love Him” from the musical “Jesus Christ Superstar” launched a decade-long string of Top 40 hits, three of which reached No. 1.

The Australian-born singer enjoyed a prolific career, appearing in “Airport 1975” as a singing nun and scoring several hits, including “Ain’t No Way To Treat a Lady,” “Delta Dawn,” “Angie Baby” and “You and Me Against the World.”

In 1973 she won the best female vocal pop performance Grammy Award for “I Am Woman,” quickly thanking her then-husband and others in her acceptance speech.

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