Diamond tiara and spike

The Cutie Mark Crusaders decide to get back at Diamond Tiara by coaxing Spike into pretending to court her. Then after a few weeks he will break up wither her and break her heart, leaving her an emotional wreak. Perfect Revenge Plan. But after a while, the CMC find that Diamond has become much much much much much nicer than usual since dating Spike. They are now having second thoughts about the whole breakup plan.

Somepony write this fan fic before I do!