US model Yasmine Petty, left, arrives for the largest annual AIDS charity gala in Europe known as the Life Ball, at the Vienna International Airport near Schwechat, Austria, Friday, May 15, 2015. (Photo by Ronald Zak/AP Photo)

Costumed guests pose for photographers during the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. The Life Ball is a charity gala to raise money for people living with HIV and AIDS. (Photo by Herwig Prammer/AP Photo)

A model presents couture by Jean Paul Gaultier during a fashion show at the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

A costumed guest poses for photographers during the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

Austrian singer and European Song Contest winner 2014 Conchita Wurst, performs on stage during the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

Boylesque performer Gonzalo De Laverga from Italy prepares before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

A boylesque performer prepares before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. Picture taken May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Waxie Moon from the U.S. performs on stage during the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. Picture taken May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Mr Georgeous from the U.S. performs on stage during the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Jett Adore from the U.S. performs on stage during the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Jacques Patriaque from Austria performs on stage during the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Soa De Muse from France prepares before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performers prepare before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. Picture taken May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Soa De Muse from France performs on stage during the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performer Jacques Patriaque from Austria prepares before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performers prepare before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performers prepare before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performers prepare before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Boylesque performers prepare before the “Yodeling Lederhosen Boylesque Gala” at the Boylesque Festival in Vienna, Austria, May 15, 2015. (Photo by Leonhard Foeger/Reuters)

Guests arrive for the opening ceremony of the 23rd Life Ball in Vienna May 16, 2015. Life Ball is Europe's largest annual AIDS charity event and takes place in Vienna's city hall. (Photo by Leonhard Foeger/Reuters)

Guests arrive for the opening ceremony of the 23rd Life Ball in Vienna May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actress Carmen Electra performs on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

A guest arrives for the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

A guest arrives for the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actress Carmen Electra arrives for the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actors perform on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actors perform on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actors perform on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actress Brigitte Nielsen (C) performs on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actors perform on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

Actress Charlize Theron performs on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

The Vienna city hall is pictured during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

U.S. model Amanda Lepore performs on stage during the opening ceremony of the 23rd Life Ball in Vienna, Austria May 16, 2015. (Photo by Leonhard Foeger/Reuters)

A model presents couture by Jean Paul Gaultier during a fashion show at the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

U.S. New Burlesque star Dita Von Teese presents couture by Jean Paul Gaultier during a fashion show at the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

A model presents couture by Jean Paul Gaultier during a fashion show at the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)

A costumed guest poses for photographers during the opening ceremony of the Life Ball in front of City Hall in Vienna, Austria, Saturday, May 16, 2015. (Photo by Herwig Prammer/AP Photo)