According to TMZ  the federal government has gone after  R. Kelly for failing to pay a whopping $4.8 million in back taxes. According to documents filed by the IRS, Kelly owes money on his taxes going way back to 2005. It breaks down like this … 2005 – $1,472,366.77 2006 – $710,520.51 2007 – $376,180.11 […]