Rodger Berman, Rachel ZoeNicole RichieParis Hilton

Though Halloween isn't officially until today, we couldn't help but take notice of the incredibly hysterical and witty costumes some of our favorite celebs have dressed up in so far. From Bryan Cranston's pretty in pink ensemble to Paris Hilton's Miley Cyrus costume, we're wondering how other celebs will top these creative costumes tonight. Click through to see our favorite celebrity Halloween costumes of the week, so far.