Olivia started her pop group at just 14 years of age and was often seen wearing her pigtails with 60s floral dresses.
In the sixties, Olivia would don short minis and knee-high boots.
It was also around this time her blonde locks were more brunette and she was known for dating Ian Turpie.
Young and innocent
Shot in 1970 this black and white image shows the young Olivia before she released her first solo album If Not For You.
Her natural look showcases her as fresh-faced beauty.
Pretty in pink
In the same year Grease scored the biggest box office hit, Olivia stunned in this iconic baby pink ensemble and blonde bouffant hair as she posed alongside the Bay City Rollers circa 1978 in Los Angeles.
Like a peach
Wearing this stunning peach top with her hair in a sleek blow out, Olivia attended the 50th Annual Academy Awards at the Dorothy Chandler Pavilion circa 1978 in Los Angeles.
Donning a sparkly blue number, Olivia radiated at People's Choice Awards circa 1979 in Los Angeles where she collected two awards one for Favourite Female Vocal Performer and Favourite Motion Picture Actress.
Stepping out with her first husband Matt Lattanzi circa 1980s in New York City, Olivia looks radiant in this white lace dress.
Rocking the 80s look
The mother-of-one showcased her rebellious side as she posed in this iconic 80s ensemble shot in London 1983.
Today, Olivia keeps up with the trends. Here she is seen on stage rocking the military look and still maintains her youthful glow despite been diagnosed with cancer.