Olivia Newton-John September 10, 2012

Though arguably best remembered as John Travolta's co-star in the hit movie musical 'Grease,' Olivia Newton-John was one of the most successful vocalists of the '70s and can boast of 15 Top-Ten hits as a pop singer.

Official Website: http://www.songkick.com/concerts/12273308-olivia-newtonjohn-at-humphreys-concerts-by-the-bay?utm_source=1126&utm_medium=partner