The British designer and her Hollywood pal had a Girl's Night Out in honor of The Eva Longoria Foundation, partying it up at Beso in Los Angeles. Sponsored by Chrysler and Vanity Fair, the fete was also attended by Kate Beckinsale (stunning in pink Alexander McQueen), Serena and Venus Williams and Vanity Fair publisher Edward Menicheschi. While the guests were technically there to honor Eva's foundation, which raises awareness of children's health issues and problems affecting the Latino community,...