'Radiant, warm and gentle spirit': Olivia Newton-John pays tribute to Kelly Preston
!['Radiant, warm and gentle spirit': Olivia Newton-John pays tribute to Kelly Preston](https://video.newsserve.net/700/v/20200714/2007141117-Radiant-warm-and-gentle-spirit-Olivia-Newton.jpg)
'Radiant, warm and gentle spirit': Olivia Newton-John pays tribute to Kelly Preston
'Grease' actress Olivia Newton-John has paid tribute to Kelly Preston and hailed John Travolta's late wife as a "radiant, warm and gentle spirit".