Hope you had a great Halloween, everyone! Getting their start last weekend, celebrities have been jumping at the chance to show up to the best parties in their craziest costumes and they seriously delievered!

Since people always take things to the next level in Tinseltown, we’ve rounded up some of the best and most outrageous costumes stars wore out on the town last weekend and on the big night itself. And if you need a costume idea for next year, you can always take a cue from these celebs!

Lady Gaga - Cannibis

Paris Hilton & River Viiperi - Batman & Robin

Paris Hilton - Honey Boo Boo

Aziz Ansari - Thomas the Tank Engine

Tim Burton & Helena Bonham Carter

Sandra Bullock & Son Louis - Jess and Buzz Lightyear from Toy Story

Harrison Ford & Calista Flockhart - Old Couple

Gwen Stefani

Kate Moss

Katy Perry & Shannon Woodward - Daria & Jane from Daria

Neil Patrick Harris & family - The Wizard of Oz

Patton Oswalt - Doctor Octopus from Spider-Man

Jenny McCarthy - Sex Kitten

Miley Cyrus - Nicki Minaj

Ellen DeGeneres - Sofia Vergara

Chris Colfer - Llama Assasin

Emma Roberts - Julia Roberts in Pretty Woman

Jessica Simpson - Viking Woman

Deryck Whibley - Avril Lavigne

Derek Hough – Luke Skywalker

Hilary Duff – Day of the Dead

Ryan Seacrest & Julianne Hough – Bonnie and Clyde

Kim Kardashian – Mermaid

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Liam Payne & Tom Daley – Batman and The Penguin

Fergie and Josh Duhamel – Angelyne & Dennis Woodruff

Diddy – Prince

Jwoww & Fiancé Roger – Nerds

Stacy Keibler – Masquerade

Glee Cast – Looney Tunes & Chord Overstreet as Brad Pitt from Chanel ad

Jessica Alba & Family – The Incredibles

Lauren Conrad – Mary Poppins

Lucy Hale – Unicorn

Nicole Richie – Girl Scouts

Tyler Blackburn, Shay Mitchell & Ashley Benson – Charlie Chaplin, Foxy Brown & Tweetle Dee

Which celebrity Halloween costume is your favorite?!

Photos Courtesy of Fame FlyNet, Twitter & Instagram