‘Mad Men’ Season Finale: A Look Back at Christina Hendricks’ Sexiest Cleavage-Baring Styles (PHOTOS)

This Sunday marks the end of Mad Men’s fifth season and that — as many fans know — means Christina Hendricks’s sexy figure will once again disappear from television sets until next season.

The 37-year-old’s curves have been the talk of the town ever since the show’s debut back in 2007. From 1960s vintage styles to Christina’s personal show-stopping red carpet looks, the redheaded stunner showed men and women everywhere that beauty doesn’t mean being a size zero.

Now with Mad Men closing yet another chapter in tonight’s season finale, there’s no doubt fans will be counting down the days until the return of Hendricks’ sexy style — especially now that her character has been using, um, her assets to claw her way to the top of the office food chain.

Launch the gallery to see why Joan Holloway was able to go toe-to-toe with the men at Sterling Cooper Draper Price this season.

Despite portraying one of contemporary television’s most iconic figures, Hendricks said she was initially surprised when people started referring to her Mad Men character as empowering. In fact, the actress actually thought Joan was “such a b-tch.”

“I struggled sometimes trying to make her as real as possible,” she told The Hollywood Reporter, recalling the earlier days of the Emmy-winning series. “Because I thought, ‘Who would be so mean?’”

Do you agree with her? Check out some of Joan’s most memorable Mad Men one-liners, below.

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