Mason Marie of San Pedro, California gathers with fans of Hugh Hefner at the gate of the Playboy Mansion in Los Angeles, California, U.S., September 27, 2017. Playboy founder Hugh Hefner, who helped usher in the 1960s sexual revolution with his groundbreaking men's magazine and built a business empire around his libertine lifestyle, died on Wednesday at the age of 91, Playboy Enterprises said.

Playboy magazine founder Hugh Hefner poses for a portrait at his Playboy mansion in Los Angeles, California, July 27, 2010. REUTERS/Lucy Nicholson

Fans gather at the gate of the Playboy Mansion in Los Angeles, California, U.S., September 27, 2017. Playboy founder Hugh Hefner, who helped usher in the 1960s sexual revolution with his groundbreaking men's magazine and built a business empire around his libertine lifestyle, died on Wednesday at the age of 91, Playboy Enterprises said.

Flowers and candles are placed on the star of Playboy founder Hugh Hefner at the Hollywood Walk of Fame in Los Angeles, California, after Hefner died on Wednesday at the age of 91, September 27, 2017. REUTERS/Kyle Grillot

Candles are placed on the star of Playboy founder Hugh Hefner at the Hollywood Walk of Fame in Los Angeles, California, after Hefner died on Wednesday at the age of 91, September 27, 2017.

Fans gather at the gate of the Playboy Mansion in Los Angeles, California, U.S., September 27, 2017. Playboy founder Hugh Hefner, who helped usher in the 1960s sexual revolution with his groundbreaking men's magazine and built a business empire around his libertine lifestyle, died on Wednesday at the age of 91, Playboy Enterprises said.

Mason Marie of San Pedro, California gathers with fans of Hugh Hefner at the gate of the Playboy Mansion in Los Angeles, California, U.S., September 27, 2017. Playboy founder Hugh Hefner, who helped usher in the 1960s sexual revolution with his groundbreaking men's magazine and built a business empire around his libertine lifestyle, died on Wednesday at the age of 91, Playboy Enterprises said.