Moved to Australia with her family at age five

Made stage acting debut in the Melbourne production of "Green Pastures"

Formed a short-lived all-girl band, Sol Four, with three classmates

Won a talent contest on the Australian program, "Sing, Sing, Sing" and received a trip to England as the prize

Formed a duo with Australian singer, Pat Carroll and performed as Pat and Olivia around Europe

Recorded first single, "Till You Say You'll Be Mine" for England's Decca Records

First screen appearance in the Australian telefilm, "Funny Things Happen Down Under"

Recruited for the British group, Toomorrow; recorded an album and appeared in film vehicle named after the group

Made frequent appearances on Cliff Richard's weekly BBC show, "It's Cliff Richard"

Released first solo album, If Not For You with the title track written by Bob Dylan

TV debut opposite Cliff Richard in the British TV-movie "The Case"

Moved to the United States

Recorded Don't Stop Believin' in Nashville

Offered the lead role in the film adaptation of the Broadway musical "Grease"; performed several songs on the films soundtrack; nominated for a Golden Globe as Best Actress in a Musical

Played the lead role in the musical "Xanadu"; performed several songs on the films soundtrack, including "Magic"

Released her most successful studio album, the double platinum Physical

Re-teamed with Travolta for the critically and commercially unsuccessful "Two of a Kind"

Founded the Koala Blue clothing line with Pat Farrar; originally for Australian imports, but evolved into a chain of women's clothing boutiques; declared bankruptcy and closed in 1992

After a three year hiatus, to raise her daughter, released the album The Rumour

Starred in the NBC TV-movie "A Mom for Christmas"

Produced six-minute video of celebrities urging President Bush to attend the Earth Summit in Rio de Janeiro

Released her third hits collection, Back To Basics - The Essential Collection; shortly after the album's release, she was diagnosed with breast cancer forcing her to cancel all publicity for the album including the tour

Released Gaia: One Woman's Journey, which chronicled her ordeal with breast cancer

Featured in the CBS TV-movie "A Christmas Romance"; daughter Chloe appeared as her on-screen daughter

First film in over ten years, appeared in a supporting role in the AIDS drama, "It's My Party"

Returned to Nashville to record Back With A Heart

Acted in "Sordid Lives" co-starring Beau Bridges; performed several songs on the soundtrack

Once again co-starred opposite her daughter in the Showtime movie "The Wilde Girls"

Released a duets album featuring mostly Australian artists