Justin Bieber has rocked some pretty interesting looks over the years, so it's only right that you want to channel him for Halloween this year. Thankfully, you have a lot of options to choose from. You can opt for old-school Justin and rock some side-swept bangs, a bomber jacket, and some sneakers. Or, if you're feeling inspired by Justin's current look, all you basically need is a colourful baseball cap, some extra baggy clothes, and a pair of gold grandpa glasses. Check out even more Justin-approved options ahead!