LeAnn Rimes and Eddie Cibiran got dressed up like white trash in 2011.
Sexy Martian! Sofia Vergara flaunted her figure in a sexy green alien costume.
While pregnant in 2011, Jessica Simpson announced the news by dressing up like a mummy!
Miley Cyrus went all out with face paint in 2011, posing for a photo with Aly and AJ Michalka.
Zac Efron looked ready to arrest Aly and AJ Michalka in 2011.
Lea Michele took on Natalie Portman’s role in the Black Swan, dressing up like the white swan in 2011.
Glee’s Chris Colfer dressed up like a Sea Monkey in 2011.
Nicole Richie was just Jenny From the Block in 2011, while husband Joel Madden appeared to be channeling Raoul Duke from Fear and Loathing in Las Vegas.
Beyonce made a gorgeous Spiderman!
Meow! Kim Kardashian, who is crazy about her kitty Mercy, shared a snap of her incredibly revealing Trashy Lingerie costume in 2012