October is all about ghosts, ghouls, and costumes, and we're super excited to dress up for countless Halloween parties that we'll be attending the entire month.

Still fretting about your costume? Still have no idea what to wear to your office Halloween party? Why don't you take your cue from the hottest pop stars for some sartorial inspiration? Take your pick from Beyonce, Lady Gaga, Rihanna, and Taylor Swift, and you're sure to steal the show this year! Check out the quiz below.

(Photo of Lady Gaga by VJ Alisa! via Flickr Creative Commons, photo of Beyonce by mp3waxx.com via Flickr Creative Commons, photo of Taylor Swift by NickJonasIsInMyHeart64 via Flickr Creative Commons, photo of Rihanna by Alexis via Flickr Creative Commons)