It’s not your typical Twitter celebrity death hoax; in fact, we don’t know what to call it. Singer and actress Lena Horne passed away May 9, 2010, but don’t let that stop you from wishing her a peaceful rest. News reports of Horne’s death have gone viral on Twitter today, sending Horne’s name trending, in turn inspiring others to post their condolences. Those who forgot she died years ago had the chance to mourn all over again.