1. In a large bowl, combine the strawberries, kiwis, grapes, blueberries, and mangos.
2. In a separate bowl, whisk together the mayonnaise, Greek yogurt, honey, apple cider vinegar, poppy seeds, Dijon mustard, salt, and pepper to make the dressing.
3. Pour the dressing over the fruit and gently toss to coat.
4. Serve the fruit salad chilled and enjoy!