A guest wearing a butterfly bracelet takes a selfie with her mobile phone as she arrives on the red carpet...
A guest wearing a butterfly bracelet takes a selfie with her mobile phone as she arrives on the red carpet for the screening of the film "Saint Laurent" in competition at the 67th Cannes Film Festival in Cannes May 17, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)