There's no question that today is a very sad day as the world has lost comedy and fashion icon Joan Rivers, who died earlier today at age 81.
But as her daughter Melissa Rivers pointed out, one of her favorite things in the world was making other people laugh.
So in honor of all of the years she made us smile, we wanted to look back at some of Joan's best moments from her days as a stand-up comedienne:
Joan Rivers on The Ed Sullivan Show in 1967
Joan Rivers tells Johnny Carson Melissa's first words were "shut up" in 1972
Joan Rivers on The Carol Burnett Show in 1974
Joan Rivers interviews Lucille Ball in 1986
Joan Rivers interviews Pee Wee Herman in 1989
Tags: comedy, death, ed sullivan, funny, joan rivers, johnny carson, lucille ball, melissa rivers, r.i.p., sad sad, silly!, stand up, videos, youtube