Oh, snap — is the fanny pack back? Matthew McConaughey seems to think so! Fashion and lifestyle blogger Lindsey Calla from Saucy Glossie and celebrity stylist Daniel Musto join Allison McNamara and Meg Cuna this week on We Spy Style! Is 2014 the year of the booty? We break down the derrière highlights at the MTV VMAs.

On Allison: AllSaints top, Robert Rodriguez skirt, Nixon watch