Celeb costumes so far...

Costumes I've seen on Twitter....

Paris Hilton as She-Ra and Eli Roth as Tyler Durden

Candice Accola as someone from Toddlers and Tiaras and Zach Roerig as her stage dad

Joseph Morgan as Beetle Juice

Zachary Quinto as fireworks on the 4th

Mindy Kaling as a giraffe and Ellie Kemper as a ghostbuster

Lea Michele as a swan queen

Jenna Ushkowitz and Michael Trevino as Green Monkeys (LotHT)

Amber Riley as Nicki Minaj

Chris Colfer as a sea monkey

Kim Kardashian as Poison Ivy

Sarah Hyland and her bf as Pebbles and Bam Bam

Sofia Vergara as an angry bird

I think Leslie Mann is Kreayshawn haha and I'm not sure who Judd Apatow is

Gregory Smith also an angry bird

Tyler Hoechlin as a football player, Colton Haynes as Eeyore, and Holland Roden as Crystal from The Hangover

Olivia Munn as Vicki from Small Wonder

Alessandra Ambrosio also as a swan queen

Carmen Electra as Cat Woman

Julie Benz is supposed to be ketchup and mustard... Eliza Dusku is Carmen Sandiego and Rick Fox is Waldo

Bryton James (Black witch guy that died) as Freddy Krueger, Kat Graham as Snooki, Kayla Ewell as the Black Swan, Malese Jow as Deena and Daniel Gillies as ???

Another pic of Joseph Morgan as Beetlejuice

Jessica Alba as a witch

Lucy Hale also as a girl from Toddlers and Tiaras

Michelle Branch as a safari person??! Jane from Tarzan? idk

If anyone listens to The Rocket Summer..here's Bryce Avary as a ninja turtle

David Arquette as Elvis

Kaley Cuoco as someone from the 70s...?

Shay Mitchell as a pirate

Snooki as a leopard

Mandy Moore as some death metal person

Michelle Trachtenberg as Lady Halloween? idk if that's supposed to mean lady gaga or what

Alan Cumming as a monkey

Idk who that is, Michael Kors as a mariachi member and Debra Messing as a dia de los muertos skeleton

Rose McGowan as a pirate

Kelly Osbourne as JLO and Joan Rivers and Suri Cruise

Holly Robinson Peete as Lil Wayne

Simon Pegg as a skeleton

Julianne Hough is also Poison Ivy....and her brother has no Halloween spirit

I will update more as I see more...