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Sofia Vergara, Halle Berry, and Julianna Margulies show their support. Photo: Jamie McCarthy/

"I care a lot about cancer and cancer issues," says Halle Berry, in a snug black sleeveless Roberto Cavalli dress and Stella McCartney evening bag.

The actress was speaking to StyleList at a charity auction of 22 designer "little black dresses," sponsored by Swarovski Elements, to raise money for the American Cancer Society and its French counterpart, La ligue nationale contre le cancer.

(The event's patron was French First Lady Carla Bruni-Sarkozy, who did not attend.)

"I do a lot of work through my association with Revlon for women's breast cancer," Berry continued.

"I lost several people in the last four of five years to cancer and I know the importance of raising money to further research and how important it is to raise awareness, because early detection is one of the only cures for cancer. So any time I can lend my name, I come out."

To read more about Berry's passions, check her out on the cover of Vogue's September issue.

"Modern Family" actress Sofia Vergara, herself a thyroid cancer survivor, told StyleList: "It's an amazing opportunity for me to support something like this I had cancer several years ago, so it's a cause that's very close to my heart."

Vergara, who wore a gray Jean Paul Gaultier snake print lightweight cotton dress, said a positive attitude was the key to beating the disease.

"One of the most important things is not to think too much about it, not to dwell on it, not to question 'why me?,'" she said.

"You just have to wake up every day and do what you're suppose to do, and try to fight it. Thinking too much will make you depressed and not give you the power to fight it."

Also present were "House" star Lisa Edelstein as well as "The Good Wife" actress Julianna Margulies, wearing Helmut Lang, who told us: "My grandmother had breast cancer and my other grandmother had lung cancer, so it has absolutely touched my family, and [the cause] is dear to my heart."

The designers who contributed versions of the classic "little black dress," each decorated with Swarovski elements, to the benefit were Alberta Ferretti, Alexis Mabille, Azzaro, Boudicca, Catherine Malandrino, Diane von Furstenberg, Donna Karan, Fendi, Gaspard Yurkievich, Gianfranco Ferre, Giorgio Armani Privé, Givenchy by Riccardo Tisci, Jean Paul Gaultier, Lanvin by Alber Elbaz, Marios Schwab, Martin Grant, Missoni, Phillip Lim, Sonia Rykiel, Thakoon, Valentino, and Vivienne Westwood.

Little Black Dresses up for auction. designed by: Phillip Lim, Donna Karan, Valentino, and Givency. Photos courtesy of: Swarovski.

In related news, see how Kelly Ripa recently raised Ovarian Cancer Awareness.