According to multiple online sources, Usher isn't so ready to sign his "papers" after all.

When it was time to sign his divorce papers, he delayed it. "Tameka thinks that it's ironic that Papers is his comeback single when she just wants him to sign the paperwork and finalize the divorce. The terms and conditions have been agreed on for around a month but he keeps stalling on them and she's the one that wants to move on with her life." a source told Radaronline.

It has been reported that they have parted ways months before they let the world know and other rumors has that he's already seeing someone else, who recently got fired because of it.

Then what's the old up Usher? My best guess would be that it isn't so easy to sign divorce papers when there are kids involve and who knows maybe he might have came back to his senses and wanting to give it a second shot? Why should it be in a rush?