Olivia Newton-John Dies at 73

Olivia Newton-John has sadly passed away. 

The 'Hopelessly Devoted to You' singer died peacefully at her ranch in Southern California Monday morning, surrounded by family and friends.

Oliva has battled breast cancer for more than 30 years, a specific cause of death was not given, a source told TMZ, "After a 30-year cancer journey, she lost her battle to metastatic breast cancer."

Oliva hit it big in 1971 with songs like "If Not for You," and in 1973 "Let Me Be There." She followed that up with a monster hit, "Have You Never Been Mellow."