Popsugar Fashion Celebrity News Kentucky Derby Style 2015 It's Go Big or Go Home When It Comes to Kentucky Derby Style May 2, 2015 by Samantha Sutton First Published: April 30, 2015 View On One Page Photo 4 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Josh Groban Josh Groban kept it kind of casual, skipping the tie and leaving his white shirt slightly unbuttoned under his light blue suit. Previous Next Start Slideshow Celebrity NewsSarah HylandLindsay EllingsonKendra WilkinsonRed CarpetKentucky Derby