Jennifer Lopez and Keith Urban are cooking up a diss track together! The musicians are both getting over divorces, and we've been hearing rumors they could be eyeing each other romantically (though Keith's had no shortages of rumored girlfriends post-Nicole Kidman). Now? It seems they have been cozying up to each other - and they're working on something VERY personal! (c) GQ & NBC/YouTube According to Radar Online sources on Wednesday, the artists are exploring the idea of a musical collab! One industry source said conversations are underway about recording a song together as a way to process...