Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

Petra (blond) and Tamara (brunette) Ecclestone, daughters of Formula One billionaire Bernie Ecclestone, in Los Angeles, CA, August 2012.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at The Legion of Honor in San Francisco, California.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at the Sutro Baths in San Francisco, California.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at the Sutro Baths in San Francisco, California.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at The Legion of Honor in San Francisco, California.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at the Sutro Baths in San Francisco, California.

July 2012 - Twitter Founder and Square CEO Jack Dorsey seen at The Legion of Honor in San Francisco, California.

Author and director Paul Auster in Brooklyn, New York on July 6, 2012.

Author and director Paul Auster in Brooklyn, New York on July 6, 2012.

Porn star Kayden Kross is photographed at her loft in Los Angeles on Thursday, July 5, 2012.

Porn star Kayden Kross is photographed at her loft in Los Angeles on Thursday, July 5, 2012.

Porn star Kayden Kross is photographed at her loft in Los Angeles on Thursday, July 5, 2012.

Chris Crocker promoting the film Me at the Zoo at the 2012 Provincetown International Film Festival.