'We're gonna have the hap-hap-happiest Christmas since Bing Crosby tapdanced with Danny Kaye!' 10 facts you never knew about National Lampoon's Christmas Vacation
Do you know these behind-the-scenes facts about 'National Lampoon's Christmas Vacation'?
If you think your family's Christmas traditions are weird and dysfunctional then you need to watch the Griswolds' festive celebrations.
But how much do you know about this Chevy Chase classic?
Here are 10 facts about 'National Lampoon's Christmas Vacation'...
