Neil Patrick Harris and David Burtka follow the yellow brick road for treats with their twins
"Good luck telling us apart." Which one is Ellen DeGeneres and which is Sofia Vergara?
Getting a little looney, Naya Rivera as the Road Runner "Beep Beep!!"
Chris Colfer and Marie Antoinette…'s head
David Bromstad reenacts 2011's The Immortals
Katy Perry channels Jane Lane from MTV's Daria with Shannon Marie Woodward
Dressed as weed, Lady Gaga
threw a Halloween rave in Puerto Rico; here with make-up artist Tara Savelo
With her own Troop Beverly Hills, Nicole Richie
Miley Cyrus acting like a "Stupid Hoe" #BEEZ
Musical twins Nina Sky
star in "Revenge of the Nerds 2012"
Singer/music producer Brad Walsh and Christian Siriano make death look chic