Shut Up, Dude: This Week’s Best And Worst Comments

Happy Halloween! Is your musician costume ready? Do you need a last-minute idea? If you have a Cubs jersey you can be Sad Jack White. Or you can go as Sia and have your back to everyone all night. Um ... Sexy Bon Iver? Zombie Lana Del Rey? You = Mark Kozelek, your friend = a hillbilly? This is hard. Please share a photo of your costume (or a costume idea) in the comments. Before we get into this week's spookiest comments from our 1989/RTJ2 standoff, here are what some of your favorite artists and Justin Bieber look like in costume...

Future Islands

Happy Halloween!!!!!!

A photo posted by Future Islands (@future_islands) on Oct 10, 2014 at 11:23am PDT

Grimes

A photo posted by Grimezsz (@actuallygrimes) on Oct 10, 2014 at 6:54pm PDT

Mac DeMarco

#godblessusall #halloweenisuponus #halloweentinypenis #jimmyareyouthere? #jimihendrix #penissandwich #iloveny

A photo posted by @macdemarco on Oct 10, 2014 at 10:26am PDT

Taylor Swift

Cause, darling I'm a nightmare dressed like a PEGACORN. #HappyHalloween!

A photo posted by Taylor Swift (@taylorswift) on Oct 10, 2014 at 4:49am PDT

Chance The Rapper & Vic Mensa

bet naught f w muh gang

A photo posted by @vicmensa on Oct 10, 2014 at 5:21pm PDT

Jessie Ware (2013)

#FBF Halloween 2013 at The Fillmore Silver Spring with these guys

A photo posted by Jessie Ware (@jessieware) on Oct 10, 2014 at 11:05am PDT

"Marnie Stern"

Here's my first Halloween selfie since I have share such a strong resemblance to the girl from Frozen

A photo posted by Marnie Stern (@marniestern) on Oct 10, 2014 at 3:14pm PDT

Lily Allen

Lily Allen stands up for Kesha and dresses up as ''Doctor'' Luke: mocks him http://t.co/kn5Nivixug pic.twitter.com/llunlf9cIv

— Kesha | FOTP (@FOTPKesha) October 31, 2014

Sky Ferreira