With losing wife Olivia Newton-John to breast cancer at age 73 last August, "Things aren't easy," he says, "but you always have to just dig. Olivia was able to never lose sight of the good things.

Outfits worn by John Travolta and Dame Olivia Newton-John in the film Grease are among the items going on sale in a memorabilia auction. The T-Birds gang jacket worn by Travolta's character Danny ...

Outfits worn by John Travolta and Dame Olivia Newton-John in the film Grease are among the items going on sale in a memorabilia auction. More than 1,300 “unforgettable” items from movies ...