Beverly D'Angelo admits to unscripted ‘Christmas Vacation’ moment with Chevy Chase that made movie history

Beverly D’Angelo took matters into her own hands and made movie history.

After "National Lampoon’s Vacation" (1983) and "National Lampoon’s European Vacation" (1985), the Griswolds returned to deliver more chaos in 1989’s "National Lampoon’s Christmas Vacation." The film starred D’Angelo and Chevy Chase, along with Randy Quaid, Juliette Lewis and Julia Louis-Dreyfus, among others.

D’Angelo is ringing in the new year with plenty in store for fans. She stars alongside Hayden Panettiere...