(Portland, OR)  --  Voodoo Doughnuts is bringing back its special Valentine's Day treats this week.  The chain will be selling its limited-time Conversation Heart doughnuts, Rocky-Road of Love doughnuts and Valentine's Sprinkle Cake doughnuts all weekend.  The iconic doughnut shop is also reminding customers that they perform both legal and non-legal wedding ceremonies at all of their locations.