John Travolta, just like Olivia Newton-John, skyrocketed to fame following the release of the film musical Grease in 1978, the year after he danced his way across the big screen in Saturday Night ...

“Harry Potter,” the beloved fantasy book series ... “Goblet of Fire,” “Order of the Phoenix,” “Half-Blood Prince” and “Deathly Hallows,” will each be adapted into one season ...