Vladislav Doronin and Naomi Campbell attend the religious ceremony of the Royal Wedding of Prince Albert II of Monaco to Princess Charlene of Monaco in the main courtyard at the Prince's Palace on July 2, 2011 in Monaco. The Roman-Catholic ceremony follows the civil wedding which was held in the Throne Room of the Prince's Palace of Monaco on July 1. With her marriage to the head of state of the Principality of Monaco, Charlene Wittstock has become Princess consort of Monaco and gains the title, Princess Charlene of Monaco. Celebrations including concerts and firework displays are being held across several days, attended by a guest list of global celebrities and heads of state. (Photo by Sean Gallup/Getty Images)

A billboard for JELL-O stands at the corner of Grand Street and West Broadway on August 2, 2011 in New York City. The billboard acts as a mood-meter by analyzing Twitter and guaging the number of happy and sad emoticons used at any given moment, causing the billboard's face to change between a smile and a frown. (Photo by Andrew Burton/Getty Images)

People in boats approach “Die Badende” (“The Bather”), a giant sculpture showing a woman's head and knees as if she were resting in the Binnenalster lake on August 3, 2011 in Hamburg, Germany. The sculpture, which is made of styrofoam and steel and measures 4 meters high and 30 meters long, is a project by artist Oliver Voss and will be on display for the next ten days. (Photo by Sean Gallup/Getty Images)

Guests spend the night in the beach bar so called club of the visionairs in the early morning hours of August 21, 2011 in Berlin, Germany. Berlin, which is among Europe's most popular travel destinations, is crisscrossed with canals and rivers over which lead a total of 564 bridges. The city's ample access to water has encouraged many bar and restaurant owners to create beach atmosphere as a growing summer day- and nightlife institution. (Photo by Carsten Koall/Getty Images)

Participants of the the goth festival “Wave Gothic Festival” walk in fancy costumes along the festival area in Leipzig, central Germany, Saturday, May 23, 2015. About 20,000 members of the scene are expected to attend one of the world's largest gothic and “dark” culture festivals until May 25, 2015. (Photo by Jens Meyer/AP Photo)

Armed Yemeni children sit in the back of a pick up truck with fighters loyal to Yemen's Saudi-backed President Abedrabbo Mansour Hadi in the Dar saad neighbourhood of the southern Yemeni city of Aden on May 10, 2015, as they continue to battle Shiite Huthi rebels. (Photo by Saleh Al-Obeidi/AFP Photo)

Women kiss each other as people celebrate outside the Stonewall Inn in the Greenwich Village neighborhood of New York June 26, 2015. The Supreme Court ruled on Friday that the U.S. Constitution provides same-s*x couples the right to marry, handing a historic triumph to the American gay rights movement. (Photo by Eduardo Munoz/Reuters)

SoftBank's human-like robot named “Pepper” poses for pictures in its role as a PR manager of Tottori prefecture at the prefecture speciality store in Tokyo, Japan, July 1, 2015. Pepper will work at the store until July 2, as the first workplace venue for its temporary staffing service. (Photo by Yuya Shino/Reuters)