As people all over the globe gear up for Halloween events tonight, celebrities have already gotten the party started. Not too long ago we counted down a few of our all time favorite celeb costumes, before we got a glimpse at what they'd be sporting this year. Some costumes were pulled off well, while others needed help, and others sent us straight to sleep! From mermaids, to the Queen of the Nile, to totally unidentifiable we're still scratching our heads over here. Check out a rundown of this years best, worst, and boring celebrity costumes!