The VMAs are tonight, which typically means we like to look back a decade and see how much has changed. In this case, Ariana Grande looks more like a kid at Prom, Katy Perry has a grill, Justin Timberlake was still out there trying stuff, and Harry Styles still had a band.

[Photos: Dennis Van Tine/UPI/Shutterstock, Monika Graff/UPI/Shutterstock]
Tags: 2013 VMAs, VMAs