Australian Singer Helen Reddy Dies in Los Angeles, Aged 78

Singer Helen Reddy attends the opening night of "The Death And Life of John Lennon" at the Parade Theatre on March 8, 2006 in Sydney, Australia. Patrick Riviere/Getty Images

Australian singer, actor and activist Helen Reddy has died, aged 78.

“It is with deep sadness that we announce the passing of our beloved mother,” her children Traci and Jordan posted on Facebook.