Annette also earned a place in television history as the original performer of what eventually became the theme to The Tonight Show.
Born in Utica, New York, Funicello moved with her family to California before she became a part of the iconic show in 1955.
Does anyone actually know the Absolute Correct Translation from English to Italian, as Annette sang it, way back when.
When he told his beloved friend to update her famous eyebrows for a new look, Funicello refused.
Funicello would later admit it became difficult at times to face her illness.
The pair met while working on a set and ended up falling for each other.