Preheat oven to 375 degrees F. Pour the lemon cake mix into one large bowl and the strawberry cake mix into another large bowl.To each bowl add 2 eggs and 1/3 cup vegetable oil.To the lemon cake mix, add lemon juice. Mix each until well blended.Cover and refrigerate each bowl for 20 minutes to firm dough. Place 1 cup powdered sugar in shallow bowl. Remove doughs from refrigerator. For each cookie, roll 2 rounded teaspoons of lemon dough into a ball; repeat with strawberry dough. Gently roll the two balls together to make one large ball. Roll dough ball in powdered sugar to coat lightly. Place on greased baking sheet, leaving at least 2” between cookies. Repeat with remaining dough. Bake for 10 minutes or until cookies turn slightly golden and are cooked through. Cool on wire rack.