People.com's Halloween Party

Your Best Star-Worthy Costumes of 2011

From the Mad Hatter to Justin Bieber, see your star-inspired Halloween costumes

OFFICE SPACE

Adriana Perez teamed up with her husband and hit the town as Bill Lumbergh and Joanna (played by Jennifer Aniston) from the 1999 comedy. "The costumes were a hit that Halloween, we got people laughing," Perez shares. "I think my husband does a good job of looking like Lumbergh. Check out that coffee mug. And yes, I only have 15 pieces of flair!"