Four Britney Spears songs have recently leaked. They are; "Been A While", "Got Me High", "Your" and "Everybody". It's not totally clear yet if they're indeed new or songs she recorded time ago.
"The new Britney tracks that leaked today (except Everybody) all appeared on a demo CD that was recorded in 2005 for The Original Doll album. Because the songs won't be used, Jive records decided to send them to different sources so they'd leak them and this way, make good promotion for Brit's new album by giving a preview of the new sound she's going for and to also give fans something to listen to until the new record is out. About 18 more demos are said to become available throughout the week"