It's always tough to find a good Halloween costume. Do you go scary, funny, both? You can never go wrong with a topical costume.

Thankfully, people have been trendy with their costumes for years. Let's take a look back into the vault and see what was coolest costume from your birth year.

(Photo by Oli Scarff/Getty Images)

Here's a list of the most popular costumes according to Cosmopolitan.

  • 1968 - Casper
  • 1969 - Elvis
  • 1970 - The Beatles
  • 1971 - Willy Wonka
  • 1972 - The Godfather
  • 1973 - Jan Brady
  • 1974 - Robert Redford from The Great Gatsby 
  • 1975 - Shark
  • 1976 - Rocky Balboa
  • 1977 - Princess Leigh
  • 1978 - John Travolta from Saturday Night Fever
  • 1979 - Superman
  • 1980 - Daisy Duke
  • 1981 - Indiana Jones
  • 1982 - Annie
  • 1983 - Madonna
  • 1984 - Ghostbusters
  • 1985 - Marty McFly
  • 1986 - Jem & the Holograms
  • 1987 - Robo Cop
  • 1988 - Garfield
  • 1989- Batman
  • 1990 - Teenage Mutant Ninja Turtles
  • 1991 - Gomez & Morticia Addams
  • 1992 - Catwoman
  • 1993 - Dinosaur from Jurassic Park
  • 1994 - Lion King Character
  • 1995 - Star Trek Crew Member
  • 1996 - Ghost Face from Scream
  • 1997 - Spice Girls
  • 1998 - Godzilla 
  • 1999 - Tarzan
  • 2000 - Fred Flintstone
  • 2001 - Josie & The Pussycats
  • 2002 - Harry Potter
  • 2003 - Spider-man
  • 2004 - Jack Sparrow from Pirates of the Caribbean
  • 2005 - Doctors from Grey's Anatomy
  • 2006 - V for Vendetta mask
  • 2007 - Hannah Montana