Olivia Newton-John October 5, 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/13308704-olivia-newtonjohn-at-union-colony-civic-center-monfort-concert-hall?utm_source=1126&utm_medium=partner