It's become a tradition on "Live with Kelly and Ryan" to dress up for Halloween. They called this year's edition A Multi-verse Halloween.

NEW YORK -- It's become a tradition on "Live With Kelly and Ryan" to dress up for Halloween, and in fact, many fans will tell you this is their favorite episode of the entire year.

NEW YORK -- It's become a tradition on "Live With Kelly and Ryan" to dress up for Halloween. Each year, their costumes seem to get more elaborate and their costume changes more numerous.

Kelly Ripa and Ryan Seacrest went back to the future and into outer space for "Live's" Halloween celebration.