Can you believe his year marks the 30th anniversary of “Grease”? Stars John Travolta and Olivia Newton-John were reunited at last night’s Australia.com Black Tie Gala, at the Renaissance Hotel at Hollywood and Highland. The sold-out event, which salutes Australians who have made “significant contributions in their industries and for excellence in promoting Australia in the United States.” 1,200 guests, including Kylie Minogue, Harrison Ford and Calista Flockhart enjoyed an Australian dinner at the event. Wonder if Olivia and John ...