Flowers and mementos are pictured on the star of comedian Joan Rivers on the Walk of Fame in Hollywood

Flowers and mementos are pictured on the star of comedian Joan Rivers on the Walk of Fame in Hollywood, California September 4, 2014. Rivers, the pioneering comedian known for her acerbic wit, classic put-downs and for asking “Can we talk?,” died on Thursday at the age of 81 in a New York hospital a week after her heart stopped during an outpatient medical procedure. REUTERS/Mario Anzuoni (UNITED STATES – Tags: ENTERTAINMENT TPX IMAGES OF THE DAY OBITUARY)