Join Felicity Huffman and throw on your jeans on Friday, Oct. 8, and $5 will be donated to breast cancer research. The Desperate Housewives star has teamed with Lee Jeans to serve as the 2010 ambassador for Lee National Denim Day, which according to the company, is one of the largest national single-day fundraising campaigns in the fight against breast cancer. “I have six sisters and two beautiful daughters—that’s eight women who mean the world to me,” says Huffman in a release. “When everyone donates $5 each, we are able to raise millions in a single day. It’s about coming together to find a solution.” To help spread the word, Huffman also appears in new public service campaign on YouTube. For more information, check out denimday.com or to watch the special video log onto youtube.com/denimday!