“America’s Biggest Sleepover,” an event created to bring together teen girls from across the country, hosted by American Idol winner Jordin Sparks. The nationwide, online event will be hosted on November 7 on beinggirl.com , a site by Always and Tampax. And the best part — for every girl who signs up to participate on beinggirl.com , Always will donate $1 to the Protecting Futures program, which helps girls in developing regions stay in school, up to $25,000. “America’s Biggest Sleepover” w