The event was filmed for a segment on their WE TV show, "Joan and Melissa: Joan Knows Best?" Also on hand were Melissa's son, Cooper, Theater 80 owners, the Otway family and fashion designer Richie Rich.
Here's a look at the ceremony:
Joan Rivers and Melissa Rivers
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Joan Rivers, grandson Cooper Endicott, and Melissa Rivers
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Joan Rivers
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Joan Rivers
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An Al Hirschfeld rendering of Joan Rivers
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Cooper Endicott, Joan Rivers and Melissa Rivers
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Melissa Rivers and Joan Rivers
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Joan Rivers, Cooper Endicott and Melissa Rivers
Joseph Marzullo/WENN
Joan Rivers, Cooper Endicott and Melissa Rivers
Joseph Marzullo/WENN
Melissa Rivers
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Melissa Rivers
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Richie Rich
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Joan Rivers
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Joan Rivers
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Joan Rivers
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Joseph Marzullo/WENN
Joan Rivers' Cement Handprints
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