Before the turn of the 20th Century, this is what was considered a sex symbol. Things have changed a little since then.

Evelyn Nesbit (1900s).

Theda Bara (most famous for her role as Cleopatra) was the movie sex symbol of the 1910s.

Pola Negri was a Polish born actress (1920s).

Marlene Dietrich was a German actress and singer (1930s).

You might remember Rita Hayworth from The Shawshank Redemption (1940s).

Marilyn Monroe is the reason that the term ‘sex symbol’ exists (1950s).

Raquel Welch is most famous for her scantily clad performance in One Million Years B.C. (1960s).

Brigitte Bardot was a French born actress, singer and fashion model (1960s).

Ursula Andress is one of the most iconic Bond girls in history (1960s).

Farrah Fawcett is the most famous of Charlie’s Angels (1970s).

Catherine Bach is most famous for playing Daisy Duke in The Dukes of Hazzard (1970s).

Kelly LeBrock is best known for the movie Weird Science (1980s).

Bo Derek (1980s).

Nastassja Kinski (1980s).

Kate Moss is still a major sex symbol and fashion icon (1990s).

Cindy Crawford’s Pepsi commercial put her on the map as a sex symbol in a big way (1990s).

Monica Bellucci just gets better with age (2000s).

Kelly Brook is an English actress, model and TV presenter (2000s).

Jessica Alba gets her exotic looks from a Danish mother and a Mexican father (2000s).

Scarlett Johansson, an award winning actress (2000s).

The internet went crazy after seeing Kate Upton in her Cat Daddy video (2010s).

Blake Lively who's also married to male sex symbol Ryan Reynolds (2010s).

Candice Swanepoel is a Victoria’s Secret fashion model (2010s).