He hates her so much right now. It seems Nas isn't quite over his bitter — and bitterly expensive — divorce from singer Kelis. The cover of his forthcoming album Life Is Good shows a tux-wearing Esco posing glumly with a green wedding dress that looks an awful lot like the one Kelis wore at their 2005 nuptials. And on the album's recently leaked "Bye Baby," Nas addresses his divorce from the "Milkshake" singer head on, detailing his best and worst memories from their relationship. But artists have been using their music to rankle their exes for as long as we can remember. Click on to see what we mean.