Chart Ariana Grande's style evolution here: Ariana Grande, in a baseball-style tee and jeans, visits Planet Hollywood on October 30, 2008 in New York City, US. Getty Images Ariana Grande, in a leather skirt and printed blouse, attends Variety's Power of Youth event at Paramount Studios on December 5, 2009 in Los Angeles, California. Getty Images Ariana Grande, in a classic LBD, attends the 'Shrek Forever After' premiere during Tribeca Film Festival in New York, US, on April 21, 2010. EPA Ariana Grande, in a red biker jacket and jeans, attends the premiere of 'Project Natal' at the Galen Centre on June 13, 2010 in Los Angeles, California. Getty Images