Britney Spears is bringing back classic Hollywood glamour for her latest perfume ad -- going from Elizabeth Taylor to Jean Harlow!

The 30-year-old "X Factor" judge looks great (and slightly creepy) in a new Facebook photo from the set of her Elizabeth Arden shoot, wearing a short gold dress, headpiece and short, wavy hair.

"Jason [Trawick] says I look like Jean Harlow," Spears wrote. And her fiance's got a point -- check out the shot  above of the actress from 1933 (right).

The look is also reminiscent of her own music video for "Circus" -- check it out below:

Spears channeled Liz Taylor yesterday when she dressed as Cleopatra. Check out that photo and more of Britney's sexiest looks in the gallery above!

Fantasy Twist Britney Spears™ will be released in the U.S. this Fall in mid-October.

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