Jessica Simpson's massive DDs are making a stand as the 40-year-old shows off her own success, but with some humility. The actress, singer, and clothing designer today appeared in a throwback photo to celebrate International Women's Day, also shouting out her Jessica Simpson Style clothing line. Jessica, whose brand turned $1 billion in 2015 sales, was thankful for how far the label has come, and her post came recognizing that it's a team of women, not men, who have made it all happen. Check it out below.