In a blender or food processor, blend together strawberries and pineapple. Add in a little juice if it needs it. Taste and add in some sweetener, if needed.
Take turns layering yogurt and strawberry mixture into popsicle molds. Place in the freezer to set.
When fully set, run some warm water over the bottom of the popsicle mold to loosen. Pull out each popsicle, serve and enjoy!