Lily Allen has returned to the Twitter World, nearly five months after the British songbird abandoned the micro-blogging site and branded the Internet “destructive.” Allen fell out with many fans with her anti-pirating campaign to stop the illegal download of copyrighted music and made her last post on the site back in September.

Mysteriously, the singer — who collapsed during a show in Perth last weekend — posted her first Tweet of 2010 early Tuesday, remarking: “hello, I’m back….”