U.S. singer Pharrell Williams performs on the Stravinski Hall stage at the 48th Montreux Jazz Festival in Montreux, Switzerland, July 7, 2014. REUTERS/Jean-Christophe Bott/Pool (SWITZERLAND - Tags: ... more 
U.S. singer Pharrell Williams performs on the Stravinski Hall stage at the 48th Montreux Jazz Festival in Montreux, Switzerland, July 7, 2014. REUTERS/Jean-Christophe Bott/Pool (SWITZERLAND - Tags: ENTERTAINMENT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By POOL / REUTERS
Mon, Jul 7, 2014 5:04 PM EDT