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Olivia Newton-John and singer Marie Osmond attends the grand opening of her residency show 'Summer Nights' at Flamingo Las Vegas Stock Photo - Alamy
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44 Olivia Newton John Celebrates Grand Opening Of New Show Summer Nights At Flamingo Las Vegas Photos and Premium High Res Pictures - Getty Images
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Olivia Newton-John Visits Donny & Marie at Flamingo Las Vegas | Olivia newton john, Flamingo las vegas, Donny osmond
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