CosmoGirl was an American magazine based in New York City, published from 1999 until 2008. The teenage spin-off of Cosmopolitan magazine, it targeted teenage girls and featured fashion and celebrities. It was published ten times a year and reached approximately eight million readers before folding. The last issue was December 2008. Subscribers instead received issues of fellow Hearst publication, Seventeen. Like Elle Girl magazine, which closed in 2006, CosmoGirl continued their website. It was eventually merged into the website of Seventeen.