Almost 2000 years ago, Celtic people from Europe started celebrating the end of the harvest and start of the new year called “Samhain”.
Celebrity pairings often result in successful Halloween costumes. Winnie Harlow and Kyle Kuzma attained Frankenstein-like looks.
Cindy Crawford and Rande Gerber became a happy married couple in the '70s.
Two totally lovable stars, Kristen Bell and Dax Shepard, became Santa Claus and Mrs Claus to inject a little Christmas cheer.
Chrissy Teigen and John Legend transformed themselves into royals - Queen Elizabeth and Prince Philip.
Heidi Klum and Tom Kaulitz got the horror and funkiness of Halloween right as a gory alien and astronaut duo.
Sarah Hyland and Wells Adams were transformed into Marty McFly and Dr. Emmett Brown in the year 2020.