Didi Conn invited John Travolta to a screening of Grease in memory of Dame Olivia Newton-John and has explained how it became the "perfect" tribute.

Didi Conn invited John Travolta to a screening of Grease in memory of Dame Olivia Newton-John and has explained how it became ...

From Keke Palmer and her baby dressing up to Beyoncé and her brood as The Proud Family, these celebrity families know how to do Halloween.